Warning: mysql_query() [function.mysql-query]: Unable to save result set in D:\wwwroot\hs21cn2043\wwwroot\includes\db.inc.php on line 50
Database error: Invalid SQL: select count(id) from pwn_comment where pid='530898' and iffb='1'
MySQL Error: 1194 (Table 'pwn_comment' is marked as crashed and should be repaired)
#0 dbbase_sql->halt(Invalid SQL: select count(id) from pwn_comment where pid='530898' and iffb='1') called at [D:\wwwroot\hs21cn2043\wwwroot\includes\db.inc.php:54] #1 dbbase_sql->query(select count(id) from {P}_comment where pid='530898' and iffb='1') called at [D:\wwwroot\hs21cn2043\wwwroot\comment\module\CommentContent.php:65] #2 CommentContent() called at [D:\wwwroot\hs21cn2043\wwwroot\includes\common.inc.php:551] #3 printpage() called at [D:\wwwroot\hs21cn2043\wwwroot\comment\html\index.php:13]
Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in D:\wwwroot\hs21cn2043\wwwroot\includes\db.inc.php on line 61

Warning: mysql_query() [function.mysql-query]: Unable to save result set in D:\wwwroot\hs21cn2043\wwwroot\includes\db.inc.php on line 50
Database error: Invalid SQL: select * from pwn_comment where pid='530898' and iffb='1' order by id limit 0,10
MySQL Error: 1194 (Table 'pwn_comment' is marked as crashed and should be repaired)
#0 dbbase_sql->halt(Invalid SQL: select * from pwn_comment where pid='530898' and iffb='1' order by id limit 0,10) called at [D:\wwwroot\hs21cn2043\wwwroot\includes\db.inc.php:54] #1 dbbase_sql->query(select * from {P}_comment where pid='530898' and iffb='1' order by id limit 0,10) called at [D:\wwwroot\hs21cn2043\wwwroot\comment\module\CommentContent.php:167] #2 CommentContent() called at [D:\wwwroot\hs21cn2043\wwwroot\includes\common.inc.php:551] #3 printpage() called at [D:\wwwroot\hs21cn2043\wwwroot\comment\html\index.php:13]
Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in D:\wwwroot\hs21cn2043\wwwroot\includes\db.inc.php on line 61
网友点评-Electric Boiler - Learn Its Benefits-线缆测高仪,超声波测高仪, 手持式测高仪-上海交通大学科技园上海野豹企业发展公司
网站标志
商品搜索
购物车
购物车 0 件商品 | 查看购物车 | 我的订单 | 我的积分 | 会员中心
会员登录信息
您好,欢迎光临本站!    请 登录  或  注册
点评详情
发布于:2018-9-11 02:45:26  访问:1891 次 回复: 篇
版主管理 | 推荐 | 删除 | 删除并扣分
Electric Boiler - Learn Its Benefits
Electric boilers are water heating devices that are safe and effective for home and industrial use. This is considered as one of the most eco-friendly heating systems. An Electric boiler is the best solution for homes with gas boiler restriction, and those who don‘t have access to a mains gas supply. It‘s also among one of the leading options for wet central heating and underfloor heating.
Most electrical boilers are reasonably more boiler repairs near me merseysidel30 affordable to install compared with a gas boiler. A gas boiler installation can be costly, especially when you still don‘t have a gas pipe supply. Using a gas boiler heating system requires a flue or chimney for waste emissions. An electric boiler no longer requires to give out waste gases into the environment, which makes it more efficient than a gas boiler.
Unlike gas and oil boilers, there‘s no requirement for a boiler repair work professional to service your electric boiler on a regular basis. Electric boilers are similar to your other electrical devices in the house. You only need to have it serviced when there‘s an issue with the boiler itself.

Electric Boiler - What Are Its Disadvantages?

Discovering about both the benefits and negative aspects of an electric boiler is necessary in helping you decide whether or not it‘s the kind of heating system that works best for you. Electric boilers rely on electricity, which can be an undependable source of energy. In some areas, power failures are more common than having problems with the gas supply. If you live in an area that is usually affected by power failures, then you might want to think about other types of heating systems.
Electric boilers are only able to heat up a small amount of water at a given time. If you have a huge house and your hot water usage level is quite high, then this may not be an appropriate choice for you. A standard boiler system is considered to be better for those with bigger homes.
When having a heating system installed, it‘s best to hire professional boiler installers. Heating systems have to be properly installed to ensure safety and maximum efficiency. If you choose a gas boiler, it‘s important to have this serviced on a regular basis by a boiler repair professional.

How Does An Electric Boiler Work?

An electric boiler is considered as an effective and powerful heating unit used in residential, commercial and industrial properties. Electric boilers are powered by electrical power, which is more effective compared to other types of boiler that depend on the burning of fossil fuel to run. This is suitable especially for those that don‘t have access to a mains gas supply.
An electric boiler works by heating water, and distributing the hot water supply throughout the entire residential property or building. To attain maximum efficiency at minimum costs, modern electric boilers are installed by professional boiler fitters with a microchip control system, which regulates the temperature level and output.
Electric boilers don‘t need to be serviced as often as other types of heating units, such as a gas boiler. It‘s important for gas boilers to be serviced every year by a pro in boiler repairs. This has to be inspected for gas leakages, ventilation problems and poisoning.
共篇回复 每页10篇 页次:1/1
共篇回复 每页10篇 页次:1/1
我要回复
回复内容
验 证 码
看不清?更换一张
匿名发表 
脚注信息

点击这里给我发送消息  李先生   点击这里给我发送消息  谭经理     点击这里给我发送消息   李经理   点击这里给我发送消息  友链交换  点击这里给我发消息shshujia  点击这里给我发消息shshujia1  点击这里给我发消息h6181   点击这里给我发消息yebaonet
Copyright   2013-2030 上海野豹企业发展有限公司-官方网站管理系统 版权所有   沪ICP备13003797号  服务时间:周一至周日 08:30 — 20:00 
全国订购免费电话:4006-021-638  服务热线:021-51699943   联系地址:上海市中山北路814弄21号协和大厦14楼A座   邮政编码:210070 
传 真:021-54011883   联系人:李军(经理)    手 机:18917195436   网址:www.shyebao.net  电邮:yebaonet@163.com