单项选择题
A.RACELX、RPCEHXB.RPCEHX、RACESLXC.RPCESLX、RACELXD.RACEHX、RPCEHX
A.0.05inB.0.1inC.0.15inD.0.2in
A.电源(MAIN POWER )B.短路指示灯(S/C )C.接口(COMMS )D.脉冲(PULSER )