巨大的龙门吊车还没有安装起来。
用舱口龙门吊来吊放它们。
一个泄水口的龙门吊受到轻微破坏，所有闸门在震后都可以开闸放水。
One of the spillway gantries was slightly damaged. However, all gates could be opened after the shaking.
本文重点研究了600吨龙门吊钢结构的焊接工艺及焊接变形问题。
This paper focuses on the 600 tons of steel gantry welding and welding deformation.
本文以600吨龙门吊为例研究了大型起重机钢结构的焊接制造工艺。
In this paper, 600 tons gantry was studied as an example of the construction process of large-scale crane structure.
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。
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。
This article introduces the high voltage power supply style of electric precipitator.
本文根据已经建立的数学模型探讨了十吨级龙门吊起升定位系统及自动纠偏系统的控制策略。
This paper has been discussed 10-ton gantry crane hoist positioning system and automatic correction system of control strategies based on the mathematical model.
本课题研究的600吨龙门吊主梁为双梁结构，共分20段进行车间预制，最后现场就位拼装。
The 600 tons gantry girder for the two-beam structure is divided into 20 pre-workshop to the final assembly site in place.
自动化仓储系统优化过程中涉及到的相关问题，如堆跺机、自动导向车、龙门吊等路径的优化问题。
The main contents including:(1) The related questions involved in the optimization process of Automated Storage and Retrieval System. Such as Crane, AGV, Gantry Crane and so on.
分析了半跨龙门吊的设计安装要点，着重介绍了T梁的吊装施工组织方案、施工方法及安全技术保证措施。
The points of hoisting design of semi-span gantry crane are analyzed. The construction schemes, methods and safety of T-shaped beam hoisting are introduced.
我曾有过很多次与日本服务工程师共事的机会，尽管他们60多岁了，却依然爬着高达18米的龙门吊，每天上下不止20次。
Many times I worked with technicians from Japan, even more than 60 years old, they would climb a gantry crane of 18 meters high, more than 20 times a day.
我曾有过很多次与日本服务工程师共事的机会，尽管他们60多岁了，却依然爬着高达18米的龙门吊，每天上下不止20次。
Many times I worked with technicians from Japan, even more than 60 years old, they would climb a gantry crane of 18 meters high, more than 20 times a day.
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