gantry crane〔名词〕桥式起重机,龙门起重机详细»
gantry crane〔名词〕门式起重机,高架起重机,龙门吊;n.门型起重机;n.起重机架,门架,工作详细»
gantry crane龙门起重机详细»
gantry crane〔名词〕门式起重机,龙门吊详细»
gantry crane〔名词〕移动起重机,轨道起重机详细»
gantry crane〔名词〕龙门起重机详细»
gantry crane门式起重机,龙门吊详细»
gantry crane〔名词〕龙门起重机,高架起重机详细»
gantry crane〔名词〕龙门起重机,龙门吊,门式起重机详细»
gantry crane龙门起重机详细»
gantry crane门式起重机，高架吊车详细»