| 1. | Elastic sealing , no leakage and long service life
弹性密封,零泄漏,使用寿命长。 |
| 2. | Good sealing , wear - resising , longer service life
密封可靠，耐磨损，使用寿命长。 |
| 3. | High efficiency , exquisite design and long service life
效率高设计精巧耐用。 |
| 4. | High withstanding pressure , long service life
耐压强度高、使用寿命更长。 |
| 5. | Convenient maintenace and long service life
保养方便，使用寿命长。 |
| 6. | Long service life percossive rock drilling rods
工业炸药和凿岩机发明后困扰世界采掘工业的百年难题 |
| 7. | Corrosion resisting non - pollution , lower noise , long service life
耐腐蚀、无污染、运转稳定、噪音低、寿命长。 |
| 8. | Unique flat diaphragm design reduces wear and tear for long service life
独特的皮膜设计减少磨损，延长工作寿命。 |
| 9. | Long service life . standing the test of tens of thousands opening / closing operations
启闭实验次数多达数万次，寿命长。 |
| 10. | 4 , good resistance to milling , heat , aging and corrosiveness and long service life
4耐磨耐热耐老化耐腐蚀，使用寿命长 |
