短語(yǔ)詞組短語(yǔ)Water quantity balance 水量平衡water resources balance 水量平衡Method water -balance 水均衡法Water Pressure Balance Set 簡(jiǎn)易水深壓力彈簧秤water volume balance 水量平衡water resources balance equation 水資源平衡water amount balance 水量平衡water input2output balance model 水收支模型water -balance accounting 水量平衡核算 返回 water balance