spotfacing翻譯，spotfacing的意思，spotfacing同義詞，spotfacing的反義詞，spotfacing短語詞匯

詞語：spotfacing

spotfacing的解釋

spotfacingn. 平頭鑽

spotfacing的意思

spotfacing 平頭鑽;凸台;spotfacing and centering machine 平端面鑽中心孔機床;