Make sure that all gas fires and central heating boilers are serviced ___ (每年). 〔根据汉语提示单词拼写〕 相关知识点: 试题来源: 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〞以与上文谓语动词are serviced可知此处要用副词annua...
Watford Plumbers Ltd provides domestic and business client’s central heating systems, gas services and plumbing requirements in Hertfordshire areas.
百度试题 结果1 题目Gas central heating provides instant warmth and a ___ supply of hot water.相关知识点: 试题来源: 解析 continuous 反馈 收藏
百度试题 结果1 题目2) Gas central heating provides instant warmth and a ___ supply of hot water.相关知识点: 试题来源: 解析 continuous 反馈 收藏
方向:为大人,每日需要(一)1 softgel三时间,更好地与饭食。 [translate] aExtent Filtered 被过滤的程度 [translate] agas central heating provides instant warmth and a continuous supply of hot.water 气体中央系统暖气提供立即温暖和hot.water连续的供应 [translate] ...
【题目】Make sure that all gas fires and central heating boilers are serviced(-年一次地). 答案 【解析】答案:annually.副词annually修饰动词s-|||-erviced.故填:annually. 结果二 题目 【题目】Make sure that all gas fires and central heating boiers are sericed___(每年) 答案 【解析】【第1空...
EN 297 Gas-fired central heating boilers — Type B11 and B11BS boilers fitted with atmospheric burners of nominal heat input not exceeding 70 kW EN 298 Automatic gas burner control systems for gas burners and gas burning appliances with or without fans ...
Arrangement for the preparation of heat energy for a gas production system, consists of: (a) a central component with a main combustion chamber in which a fuel is catalytically oxidised with the aid of an oxygen-containing gas; (b) a first pipe for introducing a fuel/gas mixture to the ...
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update gas heating, and get your floor heating and central equipment running in peak condition. Get cozy with home or commercial heating services and never worry about heating repair or reliable service again. Talk to our expert staff and find the best heating contractor to take care of your ...