CLT-II locomotive communication device, JQD250 metal halide lamp power supply, YSG-3 inductance pressure transmitter, OCPC2A locomotive air conditioning electrical control device, DF7 locomotive instrument module status indicator light box, YKS-2 digital electrical controller, HXN3 double-needle pressure gauge YCS100-III-1200KPA-74V, HXN3 double-needle pressure gauge YCS100-III-1600KPA-74V, JKG1 air drying installation YKS-2 digital electrical control TAG：