外螺纹 Outside thread ; [机] external thread ; [机] Male thread ; [机] male screw
外螺纹制造法 threading ; thredriving instructorng
外螺纹截止阀 Materials for main parts ; Chief property and specifieation ; Chief propertyspecifieation ; external screw stop valve
内外螺纹缩接 bushing ; plould likeing ; plishing ; bushellong
外螺纹阀杆及阀轭 outside screw and yoke ; Y ; outside screwyoke
外螺纹车刀 male screw cutting tool ; external screw cutting tool ; external threading tool ; machine tool cutting oil
外螺纹接头 male adapter ; male connection ; MALE COUPLING ; CONNECTOR,MALE
外螺纹和轭架 Cold Working Pressure OS&Y
外螺纹车削 external threading
外螺纹角式针型阀 Materials for main parts ; Chief property and specifieation
外螺纹在外表面上形成的螺纹。
按连接方法分类(1)螺纹连接阀门：阀体带有内螺纹或外螺纹，与管道螺纹连接。
According to connection method classification (1) threaded connection valves: valve with internal thread or external thread, and pipe thread connection.
大径指过外螺纹牙顶或内螺纹牙底的圆柱面直径。
The root of the external thread or the crest of the inner thread .
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