1、Make sure that all gas fires and central heating boilers are serviced annually. 确保所有的煤气取暖器和中央供暖的锅炉每年都检修一次。 2、Their first job was to rewire the whole house and install central heating. 他们的第一...
Have central heating questions? Armed with the right information on costs, types, and maintenance, you’ll be well on your way to making the right decision.
Central heating: package boilers Performance and cost data for electrical and fossil-fired package boilers currently available from manufacturers are provided. Performance characteristics ... E Farahan - 《Nasa Sti/recon Technical Report N》 被引量: 2发表: 1977年 Rotating grate in the central ...
Boilers are used to heat and control a heating or heating and hot water system. Central heating boilers can be powered by various different fuel types and are available in a wide variety of power (KW) ratings. They can be used for new boiler installations or replacement boiler installations,...
解析 [答案]annually [解析] [详解]考查副词。句意:确保所有燃气锅炉和集中供暖锅炉每年都得到维护。根据汉语提示“每年”以及上文谓语动词are serviced可知此处要用副词annually,作状语。故填annually。结果一 题目 【题文】Make sure that all gas fires and central heating boilers are serviced ___ (每年). ...
The boiler is at the heart of your central heating system, the brains behind the operation of your system are the heating controls. The heating controls send information to your boiler telling it when to turn the 'on' and 'off' depending on either the time of day or the temperature settin...
central heating boilers 申请(专利)号: DE8612720U 申请日: 1986-05-09 专利号: DE000008612720U 1 主分类号: F24H1/22 公开公告日: 1986-07-31 分类号: F24H1/22 申请权利人: BUDERUS AG, 6330 WETZLAR, DE 公开国代码: DE 发明设计人: 申请国代码: DE 优先权国家: 优先权: 摘要: 摘要附图: ...
Improvements in central heating boilers, characterized in that the side walls of the boiler in its depth are equipped with a sheet of steel flanged in waves. (Machine-translation by Google Translate, not legally binding)
Information & frequently asked questions on our boilers, parts & controls. Are heat pumps environmentally friendly? Heat pumps are considered to be an environmentally friendly heating solution. This is due to them absorbing heat fromrenewable energy sourcessuch as air, ground, or water, and being ...
Coal Fired Central Heating Boilers for SaleI .General introduction 1. Product description/name: coal fired hot water heating boiler 2. Rated capacity: thermal power 0.7mw 1.4mw 2.8mw 4.2mw 5.6mw 7mw 10.5mw 14mw 21mw 29mw etc. 3. Rated working pressure: 0.7 Mpa, 1.0Mpa ...