 |
| |||
| block time (取或放轮挡时间，一次飞行总时间); block time; chock-to-chock; block hours | |||
| buoy-to-buoy time; chock-to-chock time | |||
| 轮挡时间: 1 phrase in 1 subject |
| Aviation | 1 |
|
| |||
| block time (取或放轮挡时间，一次飞行总时间); block time; chock-to-chock; block hours | |||
| buoy-to-buoy time; chock-to-chock time | |||
| 轮挡时间: 1 phrase in 1 subject |
| Aviation | 1 |