High viscosity pump can match the relief valve, when the pump and piping system overpressure, safety valve is opened, the formation of internalreflux, ensure the safety of the system.
高粘度泵可配安全阀，当泵或管路系统超压时，安全阀门打开，形成内部回流，保证系统安全。
2
Induced reflux is liquid formed within a fractionation tower by condensation of vapors by means of an internal cooling coil.
内回流是分馏塔内借助内部冷却盘管使蒸气冷凝而产生的液体。
3
Two patients underwent artery bypass operation due to the low reflux pressure of internal carotid artery.