| |||
fluctuation of water-table | |||
water-level fluctuation | |||
water level fluctuation | |||
stage fluctuation; water-table fluctuation | |||
| |||
surging |
水位 波 动 : 16 phrases in 5 subjects |
Desert science | 1 |
Electronics | 1 |
Engineering geology | 3 |
Oil / petroleum | 1 |
Technology | 10 |