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| tube-drawing; pipe-drawing; tube drawing (【技】使用有芯棒或无芯棒拔制法，将钢管直径和壁厚减缩到规定尺寸的加工过程。无芯棒拔制用于减小钢管外径，带芯棒拔制用于减壁和减径。) | |||
| tube drawing | |||
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管材拉拔 : 5 phrases in 3 subjects |
| Aviation | 1 |
| Metallurgy | 3 |
| Technology | 1 |
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