基本解釋[機(jī)械工程]閥搖臂支架詞組短語短語Valve rocker arm bearing support 氣門搖臂軸支座valve rocker arm shaft support 氣門搖臂軸支架valve rocker arm support更多詞組專業(yè)釋義機(jī)械工程閥搖臂支架