| 1. | Holding period with without vacuum 2 保持时间,有无真空2 |
| 2. | Holding period with without vacuum 3 保持时间,有无真空3 |
| 3. | Holding period with without vacuum 保持时间,有无真空 |
| 4. | Mtbm - mean time between maintenance 平均保持时间 |
| 5. | Breaking life lessens when the maximum load time is longer 随着最大载荷保持时间的增加,层合板的断裂寿命降低。 |
| 6. | Repair ball marks , rake sandtraps . play in a timely manner 修复球印、平整沙印及填补。 8 .打球者必须保持时间观念。 |
| 7. | Holding period without vacuum 保持时间,无真空 |
| 8. | Holding period under a vacuum 真空下的保持时间 |
| 9. | Synchronization hold - in time 同步保持时间 |
| 10. | Agent hold time 灭火剂保持时间 |