passing unregistered gas

... 17.1.6保护装置protective device 17.1.7漏记气体passing unregistered gas (PUG) 17.1.8分流仪表shunt meter ...

 passingunregisteredgasPUG

... pass-linedeflection跑偏 passingunregisteredgasPUG漏记气体 passiveremotesensing被动遥感 ...