Thyristor element ZP2500-20, pressure controller YWK-100 (pressure 117-200KPA), pressure controller YWK-100 (350-480KPA), pressure controller YWK-50-C (1000KPA), pressure temperature controller WTYK-11B (temperature required), DF8B lighting universal switch SMCB-C4/C1/C4/C1, hernia bulb JQD50ZS1-H1-4300K, DF10D fuel tank level meter YWY-138, time Intermediate relay TDB4-U203-C, time relay TDE4-U203-C, intermediate relay D-U204-KLC, intermediate relay D8-U204-KLC, transistor voltage regulator JFT204P, locomotive power supply JQD50-110V, isolation amplifier CTR-1477E, digital pressure gauge SX-201, digital display SX201, D C converter DZB-1, solid state relay JGX-5FA, D C contactor QCC2-800QC TAG：