threaded spindles 中文意思是什麼
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Unit heads. multi spindle heads. driven threaded end drilling spindles
組合機床動力頭.多軸頭.螺紋端鉆床傳動軸 -
Unit heads. multi spindle heads. simple threaded end drilling spindles
組合機床動力頭.多軸頭.簡單的螺紋端鉆床主軸
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