退刀紋 的英文怎麼說
中文拼音 [tuìdāowén]
退刀紋
英文
run out of thread-
Run - outs, undercuts and chamfers for general purpose metric screw threads
普通螺紋收尾肩距退刀槽和倒角Thread run - outs and thread undercuts for external threaded fasteners
外螺紋緊固件用退刀螺紋和螺紋根切Rech. screw threads. undercut relief.
螺紋.退刀槽
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