Pipes carry oil across the desert to the east.
输油管把石油经过沙漠运送到东部。
Pipes carry oil across the desert to the east.
输油管把石油经过沙漠运送到东部。
The basic theory and process for machining marks (code) on the outer wall of pipe with electrolyse-jet are introduced.
介绍了采用电解一射流加工法在油管外壁表面加工(
)的基本原理及其过程,通过实
总结出了较为合理的工艺规
。
The mainly rubber productions: various rubber special type productions, high pressure tube, rubber airproof strip and tube, resinic tube and so on.
橡胶异型件、高压油管、橡胶密封条、管、树脂管等。
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