| 单词 |
mannesmann process |
| 释义 |
Mannesmann process Mannesmann process[′män·əs‚män ‚präs·əs] (metallurgy) A process for making seamless tubing by forcing a billet between the rolls of a Mannesmann mill so as to pierce the center, and then forcing the metal over a mandrel to form the central bore. |
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