搪孔internal: adj. 1.内的,内部的 (opp. external ...turning: n. 旋转,转动;转向;弯曲;转弯处;镟制[车削]工艺; ...internal or external turning tool: 内外圆车刀internal shoulder turning: 内肩车削internal straight turning: 内直线车削下载手机词典可随时随地查词查翻译