thick wall pipe 厚壁管
thick-wall pipe welding 厚壁管对接
stainless thick wall pipe 不锈钢薄壁焊管
thick-wall pipe drilling tool 厚壁管钻具
Thick wall steel pipe 厚壁钢管英文 ; 厚壁钢管 ; 厚壁无缝钢管
large diameter thick wall pipe 大口径厚壁管道
The induction heating equipment and heat treatment process of thick-wall pipe were reconstructed.
对厚壁管感应加热设备及热处理工艺进行了重新设计改造。
Our company specialize in various specifications of the stainless steel tube, stainless steel square tubes, stainless steel seamless tube, stainless steel mirror tube, capillary, thick wall pipe!
专业供应各种规格的不锈钢管，不锈钢方管，不锈钢无缝管，不锈钢镜面管，毛细管，厚壁管！
The paper introduced pipe internal welding machine's composition, necessary equipment and unique advantage in large diameter thick wall pipe construction.
介绍管道内焊机的结构、配套设备及在大口径厚壁管道施工中的独到优点。
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