| 1. | Results of bearing-life tests with oil-impregnated retainers here been rather spotty; the lives range from only a few to over 10, 000 hours .
对油浸保持架轴承寿命试验的结果很不一致，从几小时到一万小时以上不等。 |
| 2. | Synthetic stress life testing for hydraulic pump
液压泵综合应力寿命试验方法研究 |
| 3. | Butterfly valve - potential pressure life test regulation
蝶阀.静压寿命试验规程 |
| 4. | Tool life testing in milling . part 2 : end milling
铣刀寿命试验.第2部分:端铣削加工 |
| 5. | Fiber optics - component temperature life test
纤维光学.元部件的温度寿命试验 |
| 6. | Globe valve - potential pressure life test regulation
截止阀.静压寿命试验规程 |
| 7. | Guidelines for gaas mmic and fet life testing
Gaas mmic和fet寿命试验的指南 |
| 8. | Plug valve - potential pressure life test regulation
旋塞阀.静压寿命试验规程 |
| 9. | Eleb series electromagnetic relay life tester
Eleb系列电磁继电器寿命试验台 |
| 10. | Tool - life testing with single - point turning tools
单刃车刀的刀具寿命试验 |
