- 相关词组
- airtight seal空气密封，气密;
- frit seal熔接密封;玻璃料密封;
- bonnet body seal阀帽体密封
- wiper scraper seal防尘圈
- bellows seal波纹管[伸缩鼓]式密封，膜盒[气囊]式密封;
- break seal破坏密封;
- mechanical seal with outside mounted spring弹簧外置式机械密封
- seal script篆文;
- mechanical seal with low back pressure低背压式机械密封
- membrane seal mechanical pump膜密封式机械泵
- under sealadv.盖上公章;
- harbor sealn.斑海豹;
- set the seal on使成定局， 使确定下来， 认可;
- fur seal海狗;海熊;
- mid-separate surface seal中分面密封
- navy seal海豹特遣队;
- asphalt seal coat地沥青封缝层;
- elephant sealn.海象，象海豹;
- borehole seal钻孔密封；镗孔密封垫
- royal seal玺;
- 今日热词
- 热门搜索
- ashanti 阿散蒂;阿散蒂人;阿散蒂语
- guide n.指南;导游;准则;指导的事物;v.给…当导游;指导;阐明;搀扶…走;带…参观;给…带路;驾驶;
- lesson n.一课时;课程;教训;《圣经》选读;
- DFM abbr.Distinguished Flying Medal （英军）优异飞行勋章;
- kwai 快手;卡瓦依;夸伊;桂;可爱的肝油丸
- but conj.但是;而是;除了;只因为;prep.除…以外;
- April n. 四月;
- nervous system n.神经系统;
- jar n.罐子;（啤酒）杯;缸;猛然震动;vi.发出刺耳的声音;不和谐;不一致;（对…）产生不快的影响;
- punctuation n.标点法;标点符号;标点符号的使用;点标点;
- sunny adj.和煦的：照到阳光的;快活的，性情开朗亲切的;
- hust n.华中科技大学(Huazhong University of Science and Technology)；华中科大(HUAZHONG UNIV SCI TECHNOL)；武汉华中科技大学
