常見例句雙語(yǔ)例句The process of vacuum electron beam welding for rear-axle housing semiaxis of coach was introduced and the major problems in the process of welding was analysed.介紹了用真空電子束銲接大型客車後橋殼半軸的工藝方法，竝就銲接過(guò)程中存在的主要問(wèn)題進(jìn)行了分析。 返回 semiaxis