Pressure Pipe Unit Type Test Supervision Administration...

型式试验监督管理规则。

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The new type bending pipe unit improves the quality of pipe bending and increases work efficiency.

新型弯管机改善了弯管质量，提高了工作效率。

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It is made up of the extruder, head, cooling system, tractor unit, cutting unit, discharge pipe unit etc.

由挤出机、机头、冷却装置、牵引装置、切割装置、卸管装置组成。

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The corrosive nature of the ground soil and pressures from a nearby brick wall and telecom unit may have caused a fracture in the cast iron mains pipe, the HSE said in its report.

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About two years later UMW Petropipe, a unit of a Malaysian conglomerate, invested 10 million yuan that helped Hilong into drill pipe manufacturing.

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