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| 11. | pipeline tapping |
| 管道开口 |
|
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| | |
| 12. | open flash point |
| 开口闪点 |
|
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| | |
| 13. | open magnetic circuit |
| 开口磁路 |
|
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| | |
| 14. | aperture opening ratio |
| 开口率 |
|
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| | |
| 15. | open-belt drive |
| 开口皮带传动 |
|
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| | |
| 16. | open link chain |
| 开口链 |
|
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| | |
| 17. | internal opening |
| 内部开口 |
|
|
| | |
| 18. | Offer Subject Open |
| 开口要约 |
|
|
| | |
| 19. | shedding motion |
| 开口装置 |
|
|
| | |
| 20. | to hold one's tongue |
| 不开口 |
|
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| | |