常見例句雙語例句Theoretical analysis and make good for B690 bull-nose plane hydraulic system fault.對(duì)B6 90牛頭刨床液壓系統(tǒng)出現(xiàn)的故障，進(jìn)行了理論分析和實(shí)際的修復(fù)工作。 返回 bull-nose plane