在塞体中的隔膜破裂，以便使水泥浆能在底塞到达止塞箍以后通过。

A diaphragm in the plug body ruptures to allow the cement slurry to pass through after the plug reaches the landing collar.

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顶塞具有一个实心的塞体，根据泵压的增加它能可靠地显示与止塞箍和底塞的接触。

The top plug has a solid body that provides positive indication of contact with the landing collar and bottom plug through an increase in pump pressure.

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本发明远离水塞提手的水塞体的外周面上设置若干圈环形凹槽，O形橡胶密封圈卡嵌在环形凹槽内。

The periphery of the plug body, which is far from the plug handle, is provided with a plurality of circular grooves, in which the O-shaped rubber seal ring is embedded.

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In this respect, he seems to have followed Spenser -- Edmund Spenser, whose Faerie Queeneis in large part a tribute to the sacrament of marriage, although interestingly The Faerie Queene, the great Spenserian poem, never actually manages to feature a marriage between two human beings.

这样看来，他似乎是,秉承了斯宾塞--埃德蒙·斯宾塞，他的作品《仙后》,很大程度上来说是对婚姻圣礼的颂词，尽管有趣的是，《仙后》,这一伟大的斯宾塞体诗歌，从没有真正意义上,在两人的婚姻中发挥重要作用。

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