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| American National Taper Pipe | |||
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标准锥 管 : 15 phrases in 9 subjects |
| Automobiles | 1 |
| Aviation | 3 |
| Drilling | 1 |
| Earth sciences | 2 |
| General | 2 |
| Mechanic engineering | 1 |
| Mechanics | 2 |
| Oil / petroleum | 1 |
| Technology | 2 |
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