电阻焊钢管 meaning in Chinese

electric-resistance welded steel pipe
electric-resistance welded steel tubes
electric-resistance-welded steel pipe
resistance welded steel tubing

Longitudinal electric resistance welded steel pipes for pump barrel
油井泵体用直缝电阻焊钢管
Electric - resistance - welded steel pipe
电阻焊钢管
Specification for plain end seamless and electric - resistance - welded steel pipe for high - pressure pipe - type cable circuits
高压管型电缆线路用平端无缝与电阻焊钢管规范
Standard specification for plain end seamless and electric - resistance - welded steel pipe for high - pressure pipe - type cable circuits
高压管型电缆线路用平端无缝与电阻焊钢管的标准规范