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...
百度试题 结果1 题目The exhaust boilers are used to recover some of () carried in the exhaust gas from the main engine.water B、oil heat steam 相关知识点: 试题来源: 解析 C 反馈 收藏
Condensing gas boilers are by far the most common boiler type in UK homes. According to recent UK boiler statistics, they are capable of using around 90% of their heat, making them far more energy efficient than older models. Of these, combi-boilers are the most popular. What are the dif...
Fischer Electric Boilers run only on electricity, meaning if you are supplied with renewable energy you can heat your home without worrying about any harmful gases or pollutants. Installation (安装) is easy and simple. You can relax when knowing there is no need for maintaining or service. ...
【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...
heat their homes, I was alarmed to read Conor Purcell and Michael Keary’s call for the removal of these vital sources of heating and energy from Irish homes (“We need to get gas boilers, oil-based systems, fireplaces, and chimneys out of Irish homes”, Opinion & Analysis,...
根据文章第四段"FischerElectricBoilersrunonlyonelectricity,meaningifyouaresuppliedwithrenewableenergyyoucanheatyourhomewithoutworryingaboutanyharmfulgasesorpollutants.费舍尔电锅炉只靠电力运行,这意味着如果你使用可再生能源,你可以为你的家供暖,而不用担心任何有害气体或污染物。"可知,费舍尔电锅炉是环保的主要原因是...
【题目】Although a popular choice for heating ourhomes, gas boilers are filled with problems. Lack of room-by-room control means you couldbe left cold and unhappy, meanwhile possiblypolluting the environment with harmful gases.T he inefficiency of gas heaters could also cost you hundreds of ...
exterior windows and skylights, central A/C units, electric panels and related equipment, natural gas, propane and oil water heaters, furnaces or hot water boilers: $600 heat pumps and biomass stoves and boilers: $2,000 (this one category qualifies to go above the $1,200 annual limit) T...
For making certain special kinds of steel, where the heat and the chemicals must be measured very carefully, an electric furnace is used. Recently, still another way of making steel was discovered. This is really an improvement on the openhearth way. Oxygen gas is blown into the hot melted...