| 1. | Unit heads . multi spindle heads . simple plain end drilling spindles
组合机床动力头.多轴头.简单的普通端钻床主轴 |
| 2. | Standard specification for steel line pipe , black , plain end , laser beam welded
激光束焊平头无镀层钢制总管的标准规范 |
| 3. | Iso plain end welded precision steel tubes - technical conditions for delivery iso specifications
光端焊接精密钢管.交货技术条件 |
| 4. | Iso plain end seamless precision steel tubes - technical conditions for delivery iso specifications
光端无缝精密钢管.交货技术条件 |
| 5. | Plain end steel pipe
平端钢管 |
| 6. | Iso plain end as - welded and sized precision steel tubes - technical conditions for delivery iso specifications
焊后定径光端精密钢管.交货技术条件 |
| 7. | Petroleum and natural gas industries - field inspection of new casing , tubing and plain end drill pipe
石油和天燃气工业.新套管管和平端钻管的现场检验 |
| 8. | 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 |
| 9. | Standard specification for steel line pipe , black , plain end , longitudinal and helical seam , double submerged - arc welded
双埋弧焊纵向和螺旋焊缝平头无镀层钢制总管的标准规范 |
| 10. | 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 |
