- 相关词组
- bonnet body seal阀帽体密封
- graded seal过渡焊接;递级封接
- set the seal on使成定局， 使确定下来， 认可;
- borehole seal钻孔密封；镗孔密封垫
- magnetic mechanical seal磁力机械密封
- asphalt seal coat地沥青封缝层;
- graded glass seal玻璃递级封接
- felt seal毛毡封;毡密封;
- low vacuum seal低真空密封
- monk seal僧海豹
- noncartridge single mechanical seal非盒式单端面机械密封
- navy seal海豹特遣队;
- seal offv.把…封锁起来;封闭;封锁;隔离
- seal of approval正式认可;
- mix seal拌合式封层
- lead seal band铅封圈
- fur seal海狗;海熊;
- lip seal fitting带唇形密封的接头
- airtight seal空气密封，气密;
- lead seal引入线封接,铅封
- 今日热词
- 热门搜索
- cater v.满足…的需要;接待;考虑到;提供饮食;承办酒席;
- chiq 驰球
- christian dior 香水;化妆品;克里斯汀迪奥;克丽丝汀.迪奥;巴黎时装周
- so far 到目前为止，迄今为止;
- honest adj. 诚实的;坦诚的;老实的;辛勤挣得的;
- liquid n.液体;adj.液体的;易变为现金的;清澈的;清脆的;
- scold v.训斥，责骂;n.唠唠叨叨[吵吵嚷嚷,高声]骂人的人[妇女]
- particular adj.特定的;特殊的;格外的;挑剔的;n.细节;详细资料;
- refreshments n.茶点( refreshment的名词复数 );点心;（精力的）恢复;精神爽快;
- via prep.经由，经过;通过，凭借;
- deadline n.截止时间，最后期限;
- Scottish adj.苏格兰的，苏格兰式的;
