海洋平台构件中的导管、撑管，因管径小，其环焊缝只能采用单面焊双面成型焊接工艺。
Owing to the small diameters of conduit pipes and bracing tubes, the girth welding has to be done with one side welding both sides formation technology.
自由负重器械和机器负重器械都是受欢迎的力量训练工具，但它们不是唯一的选择，你可以用并不昂贵的阻力塑料管（译者：我猜是指用硬塑料管之类的代替拉力器啥的），或者甚至用自身体重进行力量训练（译者：俯卧撑嘛）。
Free weights and weight machines are popular strength training tools, but they're not the only options. You can do strength training with inexpensive resistance tubing or even your own body weight.
介绍了换热器格栅管撑的结构，提出了管撑的制造工装和加工工艺。
The structure of the tube support used in heat exchangers was introduced in this article. The manufacture and installation processes of the structure were, then, presented.
基于ANSYS有限元计算，以卸船机大斜撑圆管与耳板的连接为例，探讨管与板连接的设计。
Base on FEM analysis from ANSYS, this paper discusses the design for the junction of pipe and eye plate through an example of junction of them on diagonal pipe of ship-unloader.
挂杆为一细长、薄壁管，可折叠衣撑由相对的两个折叠臂组成。
The hanging bar is a long and thin light-wall conduit. The folding clothes hanger is composed of two relative folding arms.
挂杆为一细长、薄壁管，可折叠衣撑由相对的两个折叠臂组成。
The hanging bar is a long and thin light-wall conduit. The folding clothes hanger is composed of two relative folding arms.
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