Circuit breaker SA-B-1A, CKT-10 locomotive communication device, MSR575/SE double metal halide lamp, LSP-24D switching power supply, automatic switch SA-B-1A, CLT- II motorcycle communication device, JQD250 metal halide lamp power, inductor YSG-3 pressure transmitter, OCPC2A electric locomotive air conditioning control device, instrument module of DF7 locomotive status indicator lamp box, YKS-2 digital electronic controller, HXN3 double needle pressure gauge YCS100- III -1200KPA-74V, HXN3 double needle pressure gauge YCS100- -1600KPA-74V III, JKG1 air drying device of YKS-2 digital electronic controller TAG：