短语词组短語gas s cutting machine 氣割機gas s cutting 氣割gas flame cutting machine 氣焰割機gas s cutting torch 氣割吹琯gas -cutting mud 氣泥漿Gas for Cutting metal 切割用工業燃氣gas flame cutting 火焰切割Gas Welding Cutting 氣銲切割 返回 gas cutting