indicator device clutch wheel 指示装置离合轮

Echo Control Device Indicator 回音控制装置指示元

indicator and warning signal device [铁路] 指示器和信号装置

load-handling device position indicator [机] 吊具位置指示器

logical device indicator [计] 逻辑设备指示符

dial indicator measuring device 千分表测量装置

expansion device indicator 膨胀指示器

multi-indicator monitoring device 多参数监护仪

LDI Logical Device Indicator 逻辑设备指示符