变回流比调节
variable reflux ratio regulation
内回流控制
internal reflux control
simplex reciprocating pump
开口回流式风洞
open jet return flow tunnel
开口不回流式风洞
open jet nonreturn flow tunnel
强制对流式红外线回流
forced air convection infrared reflow
回流网的参数调整及空间布置
paramenter adjustment and space arrangement of the current-return network
回流水置换
replacing the recirculation water
燃气轮机回流式燃烧室
reverse flow type combustor