basic shaft systemshaft base systemshaft basis systemshaft-base systemshaft-basic system of fitsstandard shaft systemunit shaft system基: base; foundation軸: axle; shaft制: make; manufacture基軸: basic shaft; standard shaft標(biāo)準(zhǔn)軸制: standard shaft system下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯