基本解釋機械加工留量英漢例句雙語例句The paper discusses in detail the principle of selecting the stock of turbine blade and determining the allowance for machining the stock.詳細論述了汽輪機葉片各種毛坯形式的選擇原則及毛坯機械加工余量的確定。machining stock allowance更多例句