- 相关词组
- bleeder valve[化] 泄放阀;
- ball valve球阀，弹子阀;
- modified gear pair变位齿轮副
- check valven.止回阀;
- modulator valve调制管
- modified involute gear渐开线修正齿轮
- adjusting valve调节阀
- conical valve锥形阀;
- mooring gear系泊装置
- modified gear变位机构
- air valven.通气管之活瓣;气阀;风阀;
- driving gear驱动装置[机构]，传动装置[机构]，传[主]动齿轮;主动齿轮;
- modulation valve调制管
- modular construction valve积木式阀
- blow off valve放散阀;
- diesel locomotive柴油机车，狄塞尔机车;
- bicuspid valve二尖瓣；二尖瓣，僧帽瓣
- modulating valve调幅阀
- modulated amplifier valve调制放大器管
- admission valve进气阀，进浆阀;
- 今日热词
- 热门搜索
- not only but also 不仅 … 而且 ...;不但而且;
- wallflower n.桂竹香;墙花（在社交场合因害羞而没有舞伴或不与人交谈的人）;
- tongue n. 舌头，喙;语言，方言;演说，鞋舌;[复]口才;vt. 用舌吹;舔;嵌接;[古]批评，指责;
- season n.季节，季;时期;活动期，时令;暂时;vt.使适应，使适用;调味;
- scold v.训斥，责骂;n.唠唠叨叨[吵吵嚷嚷,高声]骂人的人[妇女]
- thank v.谢谢，感谢;道谢;n.感谢，感激;
- garbage n.垃圾;废话;垃圾场;
- shallow adj.浅的;肤浅的;（呼吸）浅的，弱的;
- last year 去年;上年;去岁;
- letter-box 信箱；邮箱;
- chiq 驰球
- cast n.全体演员;模子;特征，外貌;投，抛;v.瞥;投射(光线);投(票);扔;抛;挑选(演员);描述;浇铸;
