Standard weld is autogenous weld across end (A.W.A.E.). Sanded after weld.
标准焊缝为跨端自焊缝。
When ordering other than standard Butt Welding end valves, specify schedule of pipe end and give complete data concerning style, figure number and contour of weld end.
如果订购其它标准的对焊连接的阀门，请告知管道管壁厚度标准，以及种类、型号和焊接端轮廓等参数。
The standard is suitable for hydraulic steel structure weld; it is also suitable for the steel structure weld of miscellaneous mechanical products in water conservancy and hydroelectric projects.
本标准适用于水工金属结构的焊接，也适用于水利水电工程其他机械产品钢结构的焊接。
The standard body caps of the Series 3c socket-weld valves are 316 (CF3M) stainless steel when a 316ss valve is specified.
当指定用316不锈钢阀时，3c系列承插焊接阀的标准阀体盖也是316 (CF 3m)不锈钢。
All the main piece such as standard knot, tie, up and down turntable adopt CO2 gas coverage weld whose depth is big and the deformation is small. The assembling of standard knot can interchange.
标准节、拉杆、上下转台等主要部件(位)全部采用CO2气体保护焊，熔深大，变形小标准节可互换组合。
The quality standard of automobile large-scale plastic outside part was summarized. The forming mechanism of weld mark was analyzed.
介绍了汽车大型外观塑件的质量标准，分析了塑件熔接痕形成的原因。
The quality standard of automobile large-scale plastic outside part was summarized. The forming mechanism of weld mark was analyzed.
介绍了汽车大型外观塑件的质量标准，分析了塑件熔接痕形成的原因。
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