该产品是PVC、橡胶、金属管材的最佳替代产品。
This product is PVC, rubber, metal pipes of the best alternative.
一种端部加厚钢管的矫直方法，涉及冶金工业中金属管材的加工技术领 域。
The invention relates to a method for straightening steel tubes with thickened end parts, and relates to the technical field of metal tube material processing in the metallurgy industry.
该电算程序具有运算速度快、结果准确等优点，适合于冷轧钢管和有色金属管材生产。
The computer program which insures fast and accurate computation is applicable to production of cold-rolled steel tubes and non-ferrous metalic tubular products.
结论该稳定型二氧化氯消毒剂对细菌繁殖体和细菌芽孢均有较强杀灭效果，对金属管材表面污染的细菌芽孢具有快速消毒作用。
Conclusion The stability chlorine dioxide disinfectant has good efficacy in killing bacterial vegetable and spores, and fast disinfection efficacy in killing spores contaminated on metal surface.
塑料类管材与钢管等金属管道相比，其力学特性有较大的区别。
Compared with the steel and other metal pipelines, the plastic tubular product has bigger distinguishes in the mechanical properties.
聚乙烯管材具有许多突出的优点，但这类管道与金属管道相比，其刚度普遍偏小，属于柔性管，在承受上部填土荷载及车辆荷载时，变形相对较大。
Buried polyethylene pipeline usually have a deformation when bearing the weight of soil or vehicle due to its less rigidity compared with metal pipeline.
塑料类管材同长期以来习惯应用的钢管等金属管道其力学特性有较大的区别。
There are some difference in mechanics characteristics between plastic pipe and other metallic pipe.
焊接和无缝压延管是钢管和其他金属管的两种主要制造方法，其尺度标准既是管材制造商生产能力的主要标志，也是管道及其它结构和机械用管设计的重要依据。
The dimension standard is not only main symbol of tubular goods manufacturer, but also is the important base for designing pipeline, other structure and mechanical usage pipes.
焊接和无缝压延管是钢管和其他金属管的两种主要制造方法，其尺度标准既是管材制造商生产能力的主要标志，也是管道及其它结构和机械用管设计的重要依据。
The dimension standard is not only main symbol of tubular goods manufacturer, but also is the important base for designing pipeline, other structure and mechanical usage pipes.
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