常定流 常年流量

permanentflow  detail>>

常年流量

perennial flow perennial stream flow permanent flow  detail>>

常年流量；常年径流

pere ial flow （permanent flow） pere ialflow（permanentflow） perennial flow (permanent flow)...  detail>>

常年流水层

permanently flowing water course  detail>>

年流量

annual discharge annual flow  detail>>

非常定流

time-dependent flow  detail>>

平均年流量

average annual discharge  detail>>

平均数年流量

average annual flow  detail>>

标定流量计

proving flowmeter  detail>>

定流量抽水

pumping at constant rate  detail>>

额定流量

rate of flow rated discharge rated flow  detail>>

固定流量

firm discharge uniform flow rate  detail>>

规定流量

flow specification  detail>>

恒定流量

constant discharge constant flow rate constant rate of flow constant-rate of flow  detail>>

恒定流量泵

constant freezing point constant-flow pump  detail>>

稳定流量

regime flow steady discharge  detail>>

原稳定流量

initial steady discharge  detail>>

长期稳定流量

long-term stabilized output  detail>>