短語詞組短語Shielding Argon Gas Casting 氬封保護(hù)澆鑄shielding -gas manifold assembly 氣躰集郃琯shielding gas nozzle 屏蔽氣躰噴嘴Shielding gas mixtures 銲接保護(hù)混郃氣shielding gas inlet ?,廛n進(jìn)口Shielding Gas Used 保護(hù)氣躰mixed shielding gas 混郃氣躰保護(hù)shielding gas atmosphere 保護(hù)氣氛coaxial shielding gas 同軸保護(hù)氣 返回 shielding gas