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暗杆内螺纹
meaning in Chinese
inside screw and non-rising stem
Examples
Non - rising - inside screw stems are used in bronze and iron gate valves
暗杆内螺纹
结构用于青铜和铸铁闸阀。
Related Words
螺纹
暗螺纹
暗
螺纹磨削
生长螺纹
油管螺纹
螺纹锁
螺纹滚
内螺纹
螺纹小径
暗杆阀
暗杆阀门
暗杆楔式闸阀
暗杆亚属
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