- 相关词组
- single-ported slide valve单口滑阀
- single valve knapsack pump(喷雾器的)背负式单阀泵
- single-flapper valve单喷嘴挡板阀
- single seated main stop valve单座式主汽门
- single valve单阀;单管
- single-ported valve单口阀
- sinkage of valve阀陷
- single-jet flapper valve单喷嘴挡板阀
- single ported slide valve单口滑阀
- single-line subsurface safety valve单线控制井下安全阀
- single steam chest valve单汽柜阀
- single-pressure feed valve单压进给阀
- single-seat valve单座阀
- single-lever relief valve单杆安全阀
- single-beat valve单层阀
- single-sided plate valve单面板阀
- sinoatrial valve窦房瓣
- single-bend valve单弯阀
- single-solenoid valve单螺线管阀
- single-beat main stop valve单座式主汽门
- 今日热词
- 热门搜索
- boobs n.乳房;笨蛋;蠢材;（女人的）乳房;愚蠢的错误;v.犯愚蠢的错误
- act v.做事; 行动; 行为; 举止; 表演，假装; 扮演; 充当; （对…）有作用，有影响;n.行为，行动，所为; 表演，假装; 一幕; 一段表演; 表演者;法案，法令;短节目;
- unrest n.动荡，不安定;骚乱;风潮;乱腾;
- century n.世纪;一百年;
- pie n.馅饼，派;爱说话的人;[动]喜鹊;<美俚>容易得到的称心东西，容易的工作;
- le abbr.Low Explosive 低爆速炸药;Labor Exchange 务实贸易;
- apl abbr.airplane <美国>飞机;application 请求;adult performance level 成人行为标准;aluminum-polythene laminate 碾压铝聚乙烯;
- aloud adv.高声;大声;
- frost vt.& vi.使结冰霜;冻坏;（在蛋糕上）撒糖霜;vi.结霜;受冻;
- 5-htp 5-羟色氨酸
- by chance 偶然地，意外地;无意之中;碰巧;偏巧;
- permission denied 没有权限；拒绝访问;权限被拒绝;
