tubular welded frame scaffold的意思|示意
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管式焊接框架脚手架
tubular welded frame scaffold的网络常见释义
管状焊接框架式脚手架 ... welded frame焊接骨架, 焊接车架, 焊接隔框 tubular welded frame scaffold管状焊接框架式脚手架 welding多丝埋弧焊 ...