前锁芯上沿轴线对称设有带V形凹槽的双排弹子；

The front lock cylinder is provided with double-row pin tumblers with V-shaped grooves symmetrically along the axis.

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离开反应物沟槽中的液体被抽回到该突出的V形凹槽中，不留下液体来阻挡该沟槽的出口开口。

Liquid leaving the reactant channels is drawn back into the V-shaped grooves of the projections, leaving no liquid to obstruct the channel exit openings.

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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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