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 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。
Annealing process is the key process to ensure the quality of stainless thick wall pipe. The improper operation and adjusting will induce the quality problem.
不锈钢薄壁焊管退火(固溶处理)是保证产品质量的关键工序，在实际生产中如操作和调整不当都会出现质量问题。
The end trumpet and end triangle can be eliminated if a rolling process with three angles rotating is used for thick wall pipe rolling and other processes for thin wall pipe rolling.
采用三转角轧制法轧制厚壁管和相反的操作法轧制薄壁管可消除喇叭口与尾三角。
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