- 相关词组
- air valven.通气管之活瓣;气阀;风阀;
- articulated connection活节联系;
- prolapse of mitral valve二尖瓣脱垂
- aortic valve主动脉瓣;
- beam to column connection梁柱接合;
- adjusting valve调节阀
- protection valve安全阀
- proportioning valve比例阀;定量阀,配合阀
- profile shaft connection型面联接
- admission valve进气阀，进浆阀;
- comic relief喜剧调剂
- beam to beam connection梁间结合;
- prosthetic valve endocarditis人工瓣膜心内膜炎
- bleeder valve[化] 泄放阀;
- bicuspid valve二尖瓣；二尖瓣，僧帽瓣
- proctodaeal valve肛道瓣
- ball valve球阀，弹子阀;
- prosthetic valve replacement人工瓣膜替换术
- proportional flow control valve比例流量阀
- protective valve保护阀
- 今日热词
- 热门搜索
- brief adj.短暂的;（衣着）短的;简洁的;简明的;vt.向…介绍基本情况;（尤指事前）向…介绍基本情况;向…下达简令;在…事先向…做简要指点;
- but conj.但是;而是;除了;只因为;prep.除…以外;
- crossing n.横渡;交叉点;十字路口;渡口;安全通行处;人行横道;过境处;穿越;v.穿越;渡过;交叉;画十字(cross的现在分词);
- navy n.海军;船队;
- weekend n.周末;v.过周末;
- no matter what 无论如何，不管怎样;
- envelope n.信封;封皮;包裹物;
- toast n.吐司;干杯;深受推崇的人;v.烤;为…干杯;取暖;
- MCM num.罗马数字 1900;
- withdraw v.（使）撤退/回/离;停止提供;（使）退出;提，取（款）;脱离（社会）;
- draw v.画;移动;拉，拖;拔出;吸，抽;支取（钱）;推断出;作比较;引起;吐露;打成平手;n.抽签;抽奖;平局;和局;吸烟;抽彩;不分胜负;有吸引力的人（或事物）;由抽签决定对手的比赛
- roundabout n.交通环岛;旋转木马;旋转圆台;adj.迂回的;
