The variant design platform of sluice gate gantry crane was developed, and as an example, methods were applied and verified.
以开发的门式启闭机变型设计平台为例，对提出的方法进行了验证。
Steel structures are jib and A-frame, slewing platform and gantry frame.
钢结构构造简单，主要有臂架、人字架、回转平台以及门架组成。
Steel structures are jib and A-frame, slewing platform and gantry frame.
钢结构构造简单，主要有臂架、人字架、回转平台以及门架组成。
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