the opened items/back flange如何理解? 1. stop n2 feeding, spray soap water to all the opened items.(关于系统用氮气试漏) 2. if maintain this compressor alone, below action must be done: lblind the xx system and valve-1234(back flange) lopen discharge vent valve-234 to remove residue liquid. 答:1、停止供氮,在所有断开的部件上(即需要检查的地方,充氮气的部件)喷肥皂水; 2、如单独维护压缩机必须:封闭xx系统和阀-1234(阀后法兰,下游法兰) 打开排放阀-234排出残留液。查看更多