词汇	five supremacies
释义	five supremacies 五大
随便看	protection to the creditor protection trade Protection Training Unit protection transform protection transformer protection tube Protection tube of thermocouple protection type protection type of enclosure protection unit protection value protection valve protection violation protection voice equipment protection/voltage overshoot protection waggon protection wagon protection wall protection wall of bored pile Protection warning device Protection water mining protection way protection ways protection when belt broken protection while lacking inphase