| 1. | Manually operated gas valves for gas appliances
气体装置的人工控制气体阀 |
| 2. | Gas valve - single valve ve5000 5055 series
燃气阀-单阀ve5000 5055系列 |
| 3. | Gas valves ; angle pattern ball shut - off valves
燃气阀.角型球截止阀 |
| 4. | Automatic gas valves for gas appliances
气体器具的自动气体阀 |
| 5. | Others - gas valve leaking detector
其他-燃气阀门泄露检测器 |
| 6. | Gas valves ; angle pattern ball shut - off valves with compression coupling
燃气阀门.压力连接的角型球截止阀 |
| 7. | Gas valves ; straight pattern ball shut - off valves with compression coupling
燃气阀门.压力连接的直型球截止阀 |
| 8. | Test and check of gas valves
燃气阀门的试验与检验 |
| 9. | Butterfly shape petal fracture analysis of aup leading gas valve on boeing 777 plane
引气活门蝶形瓣片断裂分析 |
| 10. | Specifications for gauze gas valves used in reciprocating oxygen compressor
往复活塞氧气压缩机网状阀.技术条件 |
