- 相关词组
- push button valve按钮阀
- pulse valve脉冲阀
- proportional position valve比例位置阀
- propellant shutoff valve推进剂断路开关
- primary valve主阀
- pulp stock valve浆料阀
- quadruple valve四重阀
- primary safety valve for inner container一级安全阀
- proportional control valve比例控制阀
- proportional flow control valve比例流量阀
- primary throttle valve主节流阀;初次节流阀
- pressure sensitive valve压力敏感阀
- proctodaeal valve肛道瓣
- proportional pressure valve比例压力阀
- proportional pressure reducing valve定比减压阀
- proper valve佛焰苞片
- pulmonary valve stenosis肺动脉瓣狭窄
- push valve推压式水阀
- proportion valve比例阀;定量阀,配合阀
- purge valve放气阀
- 今日热词
- 热门搜索
- rocket tube 火箭发动机喷管，火箭筒;
- adventure n.冒险活动;冒险经历;奇遇;
- letter-box 信箱；邮箱;
- emergency n.突发事件;紧急情况adj.紧急情况下的;应急的;
- ha int.（表示惊讶、欢乐、怀疑等）哈，嘿;
- frog n.青蛙;〈侮辱〉青蛙佬，对法国人的蔑称;[交]铁路辙叉;饰扣，挂环;
- tutor n.家庭教师;导师;教师;助教;课本;v.任课;当教师;指导;
- miserable adj.悲惨的;令人痛苦的;太少的;卑鄙的;
- last year 去年;上年;去岁;
- disturbing adj.引起烦恼的;
- hope v.希望;指望;n.希望;被寄予希望的人/事物;
- word n.单词;字;信息;话语;言语;歌词;诺言;消息;命令;短时间的谈话;v.措词，用词;
