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Gantry frame

Gantry frame

石油词汇英语翻译(GH)--石油百科 ... gantry crane 龙门吊 gantry frame 门式起重机架 gantry 台架 ...

疏浚工程专业英语词汇 - 港口航道及海岸工程... ... 骨架 frame 门式构架 gantry frame 首部桥梁 forward-mounted ladder ...