- 相关词组
- inert gas seal惰性气体密封
- fur seal海狗;海熊;
- gasket-type seal静密封
- set the seal on使成定局, 使确定下来, 认可;
- metal O-ring and nonmetallic O-ring seal金属-非金属双O型环密封
- treasury departmentn.财政部;
- navy seal海豹特遣队;
- asphalt seal coat地沥青封缝层;
- inflatable seal充气[膨胀]式密封
- gas seal气封;气密;气密层
- high vacuum seal高真空密封
- treasury secretaryn.财政部长;
- gate seal闸门止水
- seal offv.把…封锁起来;封闭;封锁;隔离
- treasury bondn.财政部发售的公债,美国的长期国库券;
- national treasury国库;
- metallic-nonmetallic O-ring seal金属-非金属双O型环密封
- treasury note国库券;中期国库券;中期国债;美国中期国库券;年期美国中期国库券
- treasury stockn.库存股份;
- gas-tight seal气密密封
- 今日热词
- 热门搜索
- procedure n.程序,手续;工序,过程,步骤;诉讼程序,(议会的)议事程序;〈罕〉进行;
- ysl 圣罗兰;伊夫圣罗兰
- the scarlet letter [电影]红字;
- attain vt.& vi.达到,获得;遂愿;经过努力到达某事物;vt.达到,实现;获得;到达;
- madden vt.使狂怒,使发狂;
- sausage n.香肠,腊肠;〈口〉德国人;
- franc n.(法国、瑞士、比利时等国的货币单位)法郎;
- opposition n.(强烈的)反对,敌对;(政府的)反对党,在野党;对抗,抵抗;相对,对照;
- modest adj.不太大的;适中的;谦虚的;端庄的;
- mama n.妈妈(口语);
- confuse v.混淆,使困惑;搅乱,难以理解;
- pianist n.钢琴家;钢琴师;钢琴演奏者;

