最低净现金流要求
minimal net cash flow requirement
不可压湍流流动
incompressible turbulent flow
层流流动与换热
laminar flow and heat transfer
大型双射流流化床
jetting fluidized bed with double nozzles
单相湍流流动
single-phase turbulent flow
弹性加载可变压头流量计
spring-loaded variable-head flowmeter
滴头流道结构
emitter channel structure
滴头流量
dripping end flow
dripper discharge
Flow rate of dripping end
emitter discharge
drip discharge
Dripping rate