| 1. | Model 3102 mechanical pressure switch with low leakage rate 低损耗率的机械压力开关 |
| 2. | Mechanical pressure switch with low leakage rate 低损耗率的机械压力开关 |
| 3. | Leakage rate testing method for respiratory protective devices 呼吸保护装置泄漏率试验方法 |
| 4. | Measurement of mine surface air leakage rate with equivalent method 等值法测定矿井外部漏风率 |
| 5. | Tecsis switching with low leakage rate Tecsis低渗漏率开关 |
| 6. | Determination of leakage rate and specific resistance for mine air duct 矿用风筒漏风率和风阻的测定方法 |
| 7. | Integral leakage rate test of containment with the absolute pressure method 用绝对压力法检验安全壳累积泄漏率 |
| 8. | Study of stiffness and leakage rate of spiral groove dry gas face seals 螺旋槽干式气体端面密封的刚度和泄漏量研究 |
| 9. | Switching with low leakage rate 低渗漏率开关 |
| 10. | Tecsis with low leakage rate Tecsis低损耗率 |