基轴主轴basic: Basic = Basic English. shaft: n. 1.箭;箭杆。 2.(枪、槌、斧等的)柄;矛。 3 ...basic hole(shaft) system: 基孔(轴)制basic shaft system: 基轴制shaft-basic system of fits: 基轴制下载手机词典可随时随地查词查翻译