1、离心式压缩机的特点有哪些?离心式压缩机是透平式压缩机的一种,具有处理气量大、体积小、结构简单,运转平稳,维修方便以及气体不受油污染,可采用的驱动形式较多等特点。2、离心式压缩机的工作原理?一般来说,提高气体压力的主要目标就是增加单位容积内气体分子的数量,也就是缩短气体分子与分子之间的距离,为了达到这一目标,采用气体动力学的方法,即利用机械的作功元件(高速回转的叶轮),对气体作功,使气体在离心...
句型1:There+be+主语+地点状语/时间状语Theresaboatintheriver.河里有条船。句型2:Whatswrongwith+sb./sth.?Whatswrongwithyourwatch?你的手表有什么毛病?句型3:Howdoyoulike...?HowdoyoulikeChina?你觉得中国怎么样?句型4:Whatdoyoulikeabout...?WhatdoyoulikeaboutChina?你喜欢中国的什么?句型5:hadbetter(not)+动词原形Youdbetteraskthatpolicemanoverthere.你最好去问问那边的那个警察。句型6:How+adj./adv....
句型1:There+be+主语+地点状语/时间状语There’saboatintheriver.河里有条船。句型2:What’swrongwith+sb./sth.?What’swrongwithyourwatch?你的手表有什么毛病?句型3:Howdoyoulike...?HowdoyoulikeChina?你觉得中国怎么样?句型4:Whatdoyoulikeabout...?WhatdoyoulikeaboutChina?你喜欢中国的什么?句型5:hadbetter(not)+动词原形You’dbetteraskthatpolicemanoverthere.你最好去问问那边的那个警察。句型6:How+adj./adv.+...
句型1:There+be+主语+地点状语/时间状语There’saboatintheriver.河里有条船。句型2:What’swrongwith+sb./sth.?What’swrongwithyourwatch?你的手表有什么毛病?句型3:Howdoyoulike...?HowdoyoulikeChina?你觉得中国怎么样?句型4:Whatdoyoulikeabout...?WhatdoyoulikeaboutChina?你喜欢中国的什么?句型5:hadbetter(not)+动词原形You’dbetteraskthatpolicemanoverthere.你最好去问问那边的那个警察。句型6:How+adj./adv.+...
句型1:There+be+主语+地点状语/时间状语Theresaboatintheriver.河里有条船。句型2:Whatswrongwith+sb./sth.?Whatswrongwithyourwatch?你的手表有什么毛病?句型3:Howdoyoulike...?HowdoyoulikeChina?你觉得中国怎么样?句型4:Whatdoyoulikeabout...?WhatdoyoulikeaboutChina?你喜欢中国的什么?句型5:hadbetter(not)+动词原形Youdbetteraskthatpolicemanoverthere.你最好去问问那边的那个警察。句型6:How+adj./adv.+主语+谓...
句型1:There+be+主语+地点状语/时间状语There’saboatintheriver.河里有条船。句型2:What’swrongwith+sb./sth.?What’swrongwithyourwatch?你的手表有什么毛病?句型3:Howdoyoulike...?HowdoyoulikeChina?你觉得中国怎么样?句型4:Whatdoyoulikeabout...?WhatdoyoulikeaboutChina?你喜欢中国的什么?句型5:hadbetter(not)+动词原形You’dbetteraskthatpolicemanoverthere.你最好去问问那边的那个警察。句型6:How+adj./adv.+...
句型1:There+be+主语+地点状语/时间状语Theresaboatintheriver.河里有条船。句型2:Whatswrongwith+sb/sth?Whatswrongwithyourwatch?你的手表有什么毛病?句型3:Howdoyoulike...?HowdoyoulikeChina?你觉得中国怎么样?句型4:Whatdoyoulikeabout...?WhatdoyoulikeaboutChina?你喜欢中国的什么?句型5:hadbetter(not)+动词原形Youdbetteraskthatpolicemanoverthere.你最好去问问那边的那个警察。句型6:How+adj/adv+主语+谓语Wha...
句型1:There+be+主语+地点状语/时间状语Theresaboatintheriver.河里有条船。句型2:Whatswrongwith+sb./sth.?Whatswrongwithyourwatch?你的手表有什么毛病?句型3:Howdoyoulike...?HowdoyoulikeChina?你觉得中国怎么样?句型4:Whatdoyoulikeabout...?WhatdoyoulikeaboutChina?你喜欢中国的什么?句型5:hadbetter(not)+动词原形Youdbetteraskthatpolicemanoverthere.你最好去问问那边的那个警察。句型6:How+adj./adv.+主语+谓...
句型1:There+be+主语+地点状语/时间状语There’saboatintheriver.河里有条船.句型2:Whatswrongwith+sb./sth.?What’swrongwithyourwatch?你的手表有什么毛病?句型3:Howdoyoulike...?HowdoyoulikeChina?你觉得中国怎么样?句型4:Whatdoyoulikeabout...?WhatdoyoulikeaboutChina?你喜欢中国的什么?句型5:hadbetter(not)+动词原形You’dbetteraskthatpolicemanoverthere.你最好去问问那边的那个警察。句型6:H...
小学英语必考的62个句型句型1:There+be+主语+地点状语/时间状语There’saboatintheriver.河里有条船。句型2:What’swrongwith+sb./sth.?What’swrongwithyourwatch?你的手表有什么毛病?句型3:Howdoyoulike...?HowdoyoulikeChina?你觉得中国怎么样?句型4:Whatdoyoulikeabout...WhatdoyoulikeaboutChina?你喜欢中国的什么?句型5:hadbetter(not)+动词原形You’dbetteraskthatpolicemanoverthere.你最好去问问...
句型1:There+be+主语+地点状语/时间状语Theresaboatintheriver.河里有条船。句型2:Whatswrongwith+sb./sth.?Whatswrongwithyourwatch?你的手表有什么毛病?句型3:Howdoyoulike...?HowdoyoulikeChina?你觉得中国怎么样?句型4:Whatdoyoulikeabout...?WhatdoyoulikeaboutChina?你喜欢中国的什么?句型5:hadbetter(not)+动词原形Youdbetteraskthatpolicemanoverthere.你最好去问问那边的那个警察。句型6:How+adj./adv....
句型1:There+be+主语+地点状语/时间状语There’saboatintheriver.河里有条船。句型2:What’swrongwith+sb./sth.?What’swrongwithyourwatch?你的手表有什么毛病?句型3:Howdoyoulike...?HowdoyoulikeChina?你觉得中国怎么样?句型4:Whatdoyoulikeabout...?WhatdoyoulikeaboutChina?你喜欢中国的什么?句型5:hadbetter(not)+动词原形You’dbetteraskthatpolicemanoverthere.你最好去问问那边的那个警察。句型6:How+adj./adv.+...
句型1:There+be+主语+地点状语/时间状语There’saboatintheriver.河里有条船。句型2:What’swrongwith+sb./sth.?What’swrongwithyourwatch?你的手表有什么毛病?句型3:Howdoyoulike...?HowdoyoulikeChina?你觉得中国怎么样?句型4:Whatdoyoulikeabout...?WhatdoyoulikeaboutChina?你喜欢中国的什么?句型5:hadbetter(not)+动词原形You’dbetteraskthatpolicemanoverthere.你最好去问问那边的那个警察。句型6:How+adj./adv.+...
附录附录四62个高考常考的熟词新义11.absentadj.缺席的→adj.茫然的,恍惚的Shelookedatthepictureinanabsent(茫然的)way.2.achev.n.疼痛→v.渴望Havingbeenawayforages,hewasaching(渴望)forhome.3.addressn.地址v.写地址→vt.发表演说Thepresidentwilladdress(发表演说)hisspeechat3:00pm.4.againstprep.逆着,反对;倚,靠;碰→prep.映衬Thepicturelooksniceagainst(映衬)thewhitewall.25.attendv.出席;参加→...