外螺纹只在圆柱或者圆锥外表面的螺纹。例如螺栓表面的螺纹即为外螺纹，而螺母的螺纹为内螺纹。
b) 外螺纹（external thread） ：在圆柱或圆锥外表面上所形成的螺纹。反之为内螺纹 internal thread。
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... male rotor 凸形轮, 凸形转子... male screw 外螺纹 male sterility 男性不育症,雄性不育性...
基于176个网页-相关网页
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
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