watercockbody
... watercock水旋塞 watercockbody水塞体 watercoconut亚塔椰子 ...
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泄水塞体 drain cock body
发动机缸体放水塞 engine block drain plug
·2,447,543篇论文数据，部分数据来源于NoteExpress
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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