| 1. | Series dual chamber brake master cylinder 串列双腔式制动主缸 |
| 2. | Parallel dual - chamber air brake valve 并列式双腔气制动阀 |
| 3. | Series dual - chamber air brake valve 串列式双腔气制动阀 |
| 4. | Design and clinical application of stomach tube with double - space air - pocket 双腔气囊胃管的研制及临床应用 |
| 5. | Experimental research on double - chambered piezoelectric pump with single - actuator 单振子双腔体压电薄膜泵的研究 |
| 6. | Two - barrel duplex carburetor 双腔分动化油器 |
| 7. | Dual cavity bronchus vessel 双腔支气管导管 |
| 8. | Two - barrel dual carburetor 双腔并动化油器 |
| 9. | Dual - chamber air brake valve 双腔气制动阀 |
| 10. | Twin - cavity rotary crusher 双腔回转破碎机 |