call monitor instruction

call monitor system service

DC insulation monitor installation

GCM Generic Call Monitor

monitor call

monitor call intercept facility

Monitor installation

monitor instruction

nested monitor call

TCM Termianl Call Monitor

call instruction

supervisor call instruction

bridge installation instruction

filter installation instruction

installation instruction

Institution institution

Xiangtan Monitor Station of Hunan Geological Environment Gross Monitor Station

coin call(pay-phone call)

one-address instruction; single address instruction