- 相关词组
- mechanical digger挖掘机;
- gear shift lever oil seal变速杆油封
- impregnated seal浸渍封接
- mechanical engineern.机械工程师;
- gate seal闸门止水
- navy seal海豹特遣队;
- mohair coney seal黑色马海毛海狸绒
- gas-tight seal气密密封
- impulse mechanical strength冲击机械强度
- mechanical language机器语言;
- inclusion seal无泄漏密封
- bellows seal波纹管[伸缩鼓]式密封，膜盒[气囊]式密封;
- hydraulic mechanical packer水力机械式封隔 器
- gasket-type seal静密封
- indirect mechanical transmission间接机械性传染
- gas seal气封;气密;气密层
- harbor sealn.斑海豹;
- asphalt seal coat地沥青封缝层;
- fur seal海狗;海熊;
- inert gas seal惰性气体密封
- 今日热词
- 热门搜索
- headmaster n.（私立学校的）校长;
- Wednesday n. 星期三;
- committee n.委员会;
- stainless adj.不锈的;不会脏的;无污点的;未被玷污的;
- sideroad n.旁路;支路;小路;人行道;岔道;
- When You Are Old 当你老的时候;当你老了;当你老去时;当你年老时
- birthday n.生日;诞辰;
- underneath adv.在下面，在底下;在下面，在下层;prep.在…之下;在下面;在…下面;在…领导或控制下;
- Xcode 项目;创建
- begin v.开始，以…开头;启动，创办;起初是;开始说;
- war n.战争;战争期间;斗争;论战;
- typhoon n.台风;
