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| 11. | User Server）或 Tacacs（ Terminal Access Control Access System）之一，使用外部系统认证用户。 |
| 立的认证服务器有很好的伸缩性，无论增加多少访问设备，只需要一个服务器。 |
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| 12. | propulsion accessary |
| 推进系统附件 |
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| 13. | descent propulsion system |
| 降落推进系统 |
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| 14. | PSTP (Propulsion System Test Procedure) |
| 推进系统试验程序 |
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| 15. | tank propulsion system |
| 坦克推进系统 |
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| 16. | hydro-jet propulsion system |
| 喷水推进系统 |
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| 17. | flight vehicle propulsion system |
| 飞行器推进系统 |
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| 18. | NGF 型内启闭无泄漏给粉机是火力发电厂锅炉燃烧系统主要的给粉设备，能把煤粉连续、匀地供给锅炉燃烧系统。 |
| Model NGF powder feeder with internal gate and leakproofness is a major pulverized coal feeding equipment in combustion system of power plant to feed coal into boiler continuously and evenly. |
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| 19. | electric propulsion system |
| 电推进系统 |
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| 20. | automated marine propulsion system |
| 船舶自动推进系统 |
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