The upper part and the submersible tube are connected together by a threaded section.
上部和潜水管通过螺纹部分连接…
Metallic materials. Tube (in full section). Bend test.
金属材料。管材(全截面)。弯曲试验。
A new method form aking arbitrary section tube was introduced.
介绍了一种新型的变断面管无模拉伸成形方法。
At present, the section types of concrete-filled steel tube included square shape and circular shape.
目前钢管混凝土结构的主要截面形式为方形和圆形。
The cross-section of connecting tube in fan room designed to square cross section is better.
风机房连接风道断面型式采用方形效果较好。
The cross-section of connecting tube in fan room designed to square cross section is better.
风机房连接风道断面型式采用方形效果较好。
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