1、
2、
Valves are available in both flanged and butt welding ends. All conform to ASME specifications.
这些阀门都可配置法兰连接端口和对焊连接端口, 都符合ASME标准.
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3、
the flexile welding control system about the rib ends for ripple board of transformer
变压器波纹板端面柔性焊接控制系统
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4、
This paper describes the development of high-pressure steel butt welding bends with straight ends.
本文概述钢制对焊高压带直段弯头的开发.
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