| |||
inavailable water; ineffective water; non-available water; unavailable water | |||
unavailable soil water (土内) |
无效水 : 17 phrases in 6 subjects |
Animal husbandry | 1 |
Desert science | 2 |
Earth sciences | 1 |
Food service and catering | 2 |
Technology | 8 |
Water resources | 3 |