| 1. | Lining wedge type gate valve , softly seal gate valve
衬里楔式闸阀、软密封闸阀 |
| 2. | Photographic films and papers - wedge test for brittleness
照相胶片和相纸脆性楔式试验方法 |
| 3. | Z45t lowering stem vavle - changmao
Z45t型暗杆楔式闸阀- changmao |
| 4. | Hydraulically and hand - operated wedge gate valves - technical condition
液动手动楔式闸阀技术条件 |
| 5. | Z41t rising stem vavle - changmao
Z41t型明杆楔式闸阀- changmao |
| 6. | Development of wedge - type power chuck
楔式动力卡盘 |
| 7. | Electric actuated wedge gate valves
电动楔式闸阀 |
| 8. | Z45t lowering stem vavle
Z45t型暗杆楔式闸阀 |
| 9. | Z45t lowering stem vavle
Z45t型暗杆楔式闸阀 |
| 10. | Z41t rising stem vavle
Z41t型明杆楔式闸阀 |
