栓坯 的英文怎麼說
中文拼音 [shuānpī]
栓坯
英文
rough bolt-
The machines of this kind is an automatic working equipment which is designed for processing screw thread on the blanks of rivets and lolts with heads. it fits for the mass production of tightening articles
本機型是在帶頭部的螺釘、螺栓坯件上滾壓螺紋的自動化加工設備，適用於緊固件的大批量生產。Specification for wrought aluminium and aluminium alloys for general engineering purposes - rivet, bolt and screw stock
一般工程用可鍛鋁和鋁合金規范.鉚釘螺栓和螺釘坯料
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