draft tube
导流
尾水管
吸入管
导流筒
吸水管
引流管
通风管
导向管
导流管
循环管
流通管
进气管
draft tube gate chamber
liquid velocity in draft tube
minimum pressure in draft tube
multistage fluidized bed with draft tube
Pressure Fluctuation in Draft Tube
spouted bed electrode with a draft tube
vortex core in draft tube
vortex rope in draft tube
concrete filled square steel tube frame
concrete-filled rectangular steel tube frame