- 相关词组
- outer oil seal外轴承油封
- mechanical seal with inside mounted spring弹簧内置式机械密封
- harbor sealn.斑海豹;
- air tight seal气密
- metallic-nonmetallic O-ring seal金属-非金属双O型环密封
- metal O-ring and nonmetallic O-ring seal金属-非金属双O型环密封
- mohair coney seal黑色马海毛海狸绒
- company seal公司印章;
- elephant sealn.海象，象海豹;
- bellows seal波纹管[伸缩鼓]式密封，膜盒[气囊]式密封;
- mid-separate surface seal中分面密封
- asphalt seal coat地沥青封缝层;
- mechanical seal with high back pressure高背压式机械密封
- mechanical seal with low back pressure低背压式机械密封
- mechanical seal with inward leakage内流式机械密封
- petroleum jelly seal石油胶冻封闭
- fur seal海狗;海熊;
- navy seal海豹特遣队;
- mechanical seal with outside mounted spring弹簧外置式机械密封
- bank seal银行印章
- 今日热词
- 热门搜索
- you are the apple of my eye 【电影】那些年，我们一起追的女孩;你是我的掌上明珠;你是我，最珍贵的人；
- call you tonight 今晚给你打电话;今晚打给你;热线传情;来电传情
- rice n.稻;稻米， 大米;vt.筛选
- sit vt.& vi.（使）坐;vi.坐落;处在;（在…中）任职;（议会、委员会、法庭等）开会;
- carrot n.胡萝卜; （为说服人做事所许诺的）好处，酬报;
- procession n.队伍，行列;一列，一排;列队行进;
- Rsc advances Rsc Advances杂志；
- domicile n.住处;永久住处;住所;(尤指正式或法律意义的)住处;定居地
- thank v.谢谢，感谢;道谢;n.感谢，感激;
- moustache n. 上唇的胡子;髭;触须;
- dive v.跳水，潜水;冲向;迅速将手伸入;暴跌;n.跳水，潜水;冲;下等酒吧;
- calculate v.计算;估算;估计;预料;
