两级

两级 [liǎng jí]

1. ■ two-stage

---

常用词组

1. ■ 两级抽样 two stage sampling;

2. ■ 两级传动 double-stage driving;

3. ■ 两级存储（器） two-level store;

4. ■ 两级动作选择器 {讯} two-motion selector;

5. ■ 两级阀 two-stage valve;

6. ■ 两级放大器 two-stage amplifier;

7. ■ 两级记录 two-level recording;

8. ■ 两级加速器 two-stage accelerator;

9. ■ 两级控制 two-step control;

10. ■ 两级逻辑 two-level logic;

11. ■ 两级膨胀复式蒸汽机 double expansion compound steam engine;

12. ■ 两级伸缩缸 telescopic cylinder of two stages;

13. ■ 两级伺服系统 two-stage servosystem; two-stage servo;

14. ■ 两级随动系统 two-stage servo;

15. ■ 两级锁定机构 two-stage holdback device;

16. ■ 两级提升器 two-stage lift;

17. ■ 两级调节器 two-stage controller;

18. ■ 两级推挽放大 dual push-pull amplification;

19. ■ 两级泄压循环 two-step decompression cycle;

20. ■ 两级序列检测器 two-stage sequential detector;

21. ■ 两级压力气体燃烧器 {热} two-stage pressure-gas burner;

22. ■ 两级压缩机 two-stage compressor;

23. ■ 两级预选 double preselection;

24. ■ 两级蒸发 {化} double flash evaporation