- 相关词组
- pump into注入，灌输;
- gasoline pump加油泵;
- air lift pump空气升液泵;
- adiabatic cooling绝热冷却;
- hydraulic gear pump液压齿轮泵
- air cooling空气冷却;
- jet pump喷射泵;
- all air heat pump全空气式热力泵;
- hydrostatic pump静液力泵
- mixed-flow propeller pump混流式螺旋桨泵;混流式旋桨泵
- hydraulic pump水力泵，液压泵;
- mixing pump混合泵
- breast pumpn.抽乳器，吸乳器;
- bivalent heat pump system带有两种热源的热泵系统;
- independent pump独立泵
- pump out抽空;
- inflating pump打气泵;打气筒
- borehole pump深井泵，钻井泵（一般为离心泵，悬挂在钻井内）;
- mixed flow storage pump混流式蓄能泵
- air pumpn.排气唧筒，抽气机;风泵;
- 今日热词
- 热门搜索
- ant n.蚂蚁;
- subtraction n.减，减法;减除法;减去;
- last name n.（欧美人放在名字后面的）姓;
- walnut n.胡桃（树）;胡桃木;胡桃木色;
- never think 不曾想
- look what you made me do 瞧你们让我做了什么；看看你让我做了什么
- taught v.教( teach的过去式和过去分词 );教书;训练;教育;
- The Economist 《经济学人》;（英国）《经济学家》周刊
- anal adj.肛门的;直肠的;肛门附近的;
- lengthen vt.& vi.延长;伸长;
- divorce n.离婚;分离;v.与（某人）离婚;使分离，使脱离;
- iwc abbr.in which case 在什么情况下;国际捕鲸委员会;万国表;万国;男表
