Signal machine driving system based on double 2-vote-2 architecture
PLATFORM DOOR CONTROL APPARATUS BASED ON DOUBLE 2-VOTE-2 ARCHITECTURE
Platform door control apparatus based on double 2-vote-2 architecture
NON-NATIONAL STANDARD TURNOUT DRIVE SYSTEM BASED ON DOUBLE 2-VOTE-2 ARCHITECTURE
Non-national standard turnout drive system based on double 2-vote-2 architecture