We will attempt to avoid duplication by appropriate cross references.将用适当的前后对照的方法来避免重复.Conclusions Trajectory , Voiding cystourethrography, especially retrograde urethrography, are effective means for diagnose urethral d...
本文介绍了一种新型高效防结露袋除尘器.This paper states a new bag filter with prevention of moisture condensation.湿球最大温度应为38℃且不结露.The maximum wet - bulb temperature shall be 38 ℃ with no condensation.周围温度-20~70℃但不可结冰或结露.Ambient temp. witho...