upsetting die 中文意思是什麼
upsetting die
解釋
頂鍛模-
Cold upsetting technology and die design for manufacture of conical tip of platinum alloy bushing in fiberglass production
池窯拉絲鉑合金大漏板錐形嘴冷鐓工藝及模具設計 -
Dimensional tolerance for steel die forgings upsetting
鋼模鍛件的尺寸公差
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