This paper expounds the feasibility of adopting high-voltage power supply for gantry crane from the angles including design, construction, cost and energy saving, etc.
从龙门吊如采用高压供电出发，重点在设计、施工、造价、节能方面加以阐述。
2
The article introduce a new construction machine gondola, and makes a comparison between the gondola and the gantry.
对国内一种新兴的建筑机械——擦窗机进行基本介绍，并对比擦窗机和门座式起重机，阐述两者设计的异同点。
3
This gantry type welding machine is an arc welding equipment developed for welding large box type construction of tens meters long.