膜盒式差动流量计
bellows differential flowmeter
流量表流速传感器
flow meter tachometer generator
补偿式发电机电流差动保护
compensated generator differential protection
差动差分放大器
differential difference current conveyor
差流动态追忆法
differential dynamic reminiscing principle
差流量指示器
differential flow indicator
磁性压差流量记录仪
magnetic differential flow recorder
电流差动保护
current differential relay
differential protection
differential current protection
electric differential protection
current differential relay protection
agricultural priority area
current differential protection
line differential protection
current diffetential protection