短語(yǔ)詞組短語(yǔ)basic formation angle 隊(duì)列角basic right angle numbers 基本勾股數(shù)basic friction angle 基本摩擦角basic leaf angle 葉基角basic angle of leaf 葉基角basic ignition advance angle 基本點(diǎn)火提前角basic angle method 基準(zhǔn)角度法basic spark advance angle 基本點(diǎn)火提前角basic angle tolerancing system 基準(zhǔn)角度公差制 返回 basic angle