lattice door
... lattice beam 格构梁 lattice door 格构式门 lattice fence 格构围栏 ...
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格构式龙门架 lattice-type portal frame
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为此，作者开发了一套能满足工程需要的门式格构刚架CAD系统。
So the author manages to develop a portal lattice rigid frame designing CAD software with the meet of engineering.
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