gantry crane with hinged boom的意思|示意
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带铰链吊臂的龙门吊
gantry crane with hinged boom的网络常见释义
铰接悬臂门式起重机 ... 双悬臂门式起重机 gantry crane with cantilevers 铰接悬臂门式起重机 gantry crane with hinged boom 可伸缩悬臂门式起重机 gantry crane with retractable boom ...