打开发动机吊点支架的盖子。

Open the caps for the engine mount brackets.

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介绍了碗扣式钢管脚支架的施工工艺和控制要点。

The paper introduces construction technics and control point of bowl fasten mode steel tube bracket.

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所得物保持原来支架的长度和直径，由胶原蛋白和平滑肌细胞组成，其结构类似天然血管。

The result is a tube of the length and diameter of the original scaffold, that is composed of collagen and smooth-muscle cells—a structure similar to a natural blood vessel.

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