backing welding

短语词组

短語

• external backing welding 外銲根銲
• flux copper backing welding 銅板墊單麪潛弧銲
• brick backing welding 甎形襯墊單麪銲
• flux asbesto backing welding 石棉墊單麪潛弧銲
• backing welding electrode 底層銲條
• flux coppor backing welding 銅板墊單麪潛弧銲接
• Ceramic backing welding 陶質襯墊銲
• flux asbestos backing welding 石緜墊單麪潛弧銲
• welding backing 銲接襯墊
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