... 拉杆油封 tie rod oil seal 阀座总成 valve seat assembly 双头螺柱 stud ...
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locating valve seat assembly 定位阀座总成
locating g valve seat assembly 定位阀座总成
needle valve and seat assembly 进油针阀及座总成
Valve and HP seat assembly 阀门及高压垫片
valve seat assembly
阀座总成
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Because the water pressure in spring assembly and valve body makes the conical compression core and seat seal automatically, the flow channel of valve is closed.
因弹簧总成和阀体中水流压力将锥形压芯和锥形压座自动压合密封，阀体水流通道关闭。
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