汽車(chē)發(fā)動(dòng)機(jī)曲軸修理技術(shù)條件
Technical requirements for automobile engine
crankshafts being overhauled
中華人民共和國(guó)國(guó)家標(biāo)準(zhǔn) GB 3802-83 UDC621.431.72.233.004.124
crankshafts being overhauled
中華人民共和國(guó)國(guó)家標(biāo)準(zhǔn) GB 3802-83 UDC621.431.72.233.004.124