The paper introduces the design and construction of linkage arch foundation ditch support project.
介绍连拱式基坑支护工程设计与施工。
Design of the mechanism is actually one of a six-bar linkage.
牛头刨床主运动机构的设计，实际上是一个平面六杆机构的设计。
Design of the mechanism is actually one of a six-bar linkage.
牛头刨床主运动机构的设计，实际上是一个平面六杆机构的设计。
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