 |
| |||
| float and sink test; sink-and-float test | |||
| float-and-sink analysis; float-and-sink testing | |||
| 浮沉试验: 7 phrases in 2 subjects |
| Nautical | 1 |
| Technology | 6 |
|
| |||
| float and sink test; sink-and-float test | |||
| float-and-sink analysis; float-and-sink testing | |||
| 浮沉试验: 7 phrases in 2 subjects |
| Nautical | 1 |
| Technology | 6 |