...胶塞；组装；拆卸； [gap=1516]necological laparoscopy; Pneumoperitoneum needle puncturesheath, and nut, screw; a rubber plug; assembly; removing; ...
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... 你的工作许可证过期了 » Your work permit expires 胶塞 » Plastic 在中国，许多喜欢你们的人被称为bv控 » China many like you called BV-control ...
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... 聊天。 » Chat. 胶塞 » Stopper 我只想说的是我爱你。 » I just want to say is I love you. ...
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在注水泥作业中一般使用两种类型的胶塞。
Two types of cementing plug are typically used on a cementing operation.
大部分的水泥头都既可以悬挂上胶塞，又可以悬挂下胶塞。
丁基胶塞已经逐步取代天然胶塞，在药品包装行业广泛应用。
Butyl rubber closures had replaced of natural rubber closures and had been applied in pharmaceutical packaging.
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