我在挤压管行业工作。
此外,挤压管建设,必须比其他气瓶少支持。
Additionally, the extruded tube construction requires fewer supports than other cylinders.
具有双孔截面的铝合金挤压管的断面形状满足几何相似定律。
The geometrical similarity law in cross section was satisfied for the aluminum extruded tubes with a double hollow section.
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