查询词典 seal

screw-down valve：螺旋关闭阀

自封联结器 self seal coupling | 螺旋关闭阀 screw-down valve | 螺旋千斤顶 screw jack

pipe screw-cutting lathe：管子螺纹车床

pipe scraper ==> 管子刮刀,清管器 | pipe screw-cutting lathe ==> 管子螺纹车床 | pipe seal ==> 管接头密封

bone screw tap：接骨螺钉丝攻

bone screw holding forceps ==> 接骨螺钉夹持钳 | bone screw tap ==> 接骨螺钉丝攻 | bone seal ring ==> 人字密封环

locking of screw joint：螺纹防松

螺纹 screw thread | 螺纹防松 locking of screw joint | 螺旋密封 screw seal

anchor screw：地脚螺丝;固定螺丝

anchor rope 锚索;绷绳 | anchor screw 地脚螺丝;固定螺丝 | anchor seal assembly 锁紧式密封总成

scratch coat：有划痕的底涂,粗涂,刮涂

scratch coat 有划痕的底涂,粗涂,刮涂 | seal coat 止水层,封闭层,防水层 | sealing coat 止水面层;路面沥青涂层

oil scraper ring; scraper ring：刮油环

滑油环 oil ring | 刮油环 oil scraper ring; scraper ring | 油封;护油圈 oil seal

scarf weld：楔口焊接

sagged weld下垂焊缝 | scarf weld楔口焊接 | seal weld填焊; 致密焊缝; 密封焊; 密封焊道; 密封焊缝

scale plate：刻度盘

priming stage port plate 自吸段孔板 | scale plate 刻度盘 | seal plate 密封盘

knife saw：刀锯

knife roller gin ==> 刀辊式轧棉机 | knife saw ==> 刀锯 | knife seal ==> 刀口封接,薄边封接

cargo liner route：货运航路

virtually 现实上 | cargo liner route 货运航路 | terminal 口岸

windpipe：气管

百日咳是由细菌生成的毒素(poison)侵入气管(windpipe)和肺部,从而引起炎症以及黏液分泌物的堆积. 百日咳的症状特点是在一段痉挛性的咳嗽之后,伴随着患者由于用嘴呼吸而产生的一声响亮而刺耳的喘息(whoop)而结束. 百日咳常见于两岁以下的儿童.