external taper turning 中文意思是什麼
external taper turning
解釋
外錐度車削-
Tool holders for external and internal turning with hollow taper shank according to din 69893 - 1 for indexable inserts - general survey, correlation of dimensions
可轉位刀片用符合din 69893 - 1的外部和內部旋轉帶中空
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