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沈阳铁道制动机厂１２０型控制阀通过生产和质量认证铁道部车辆局和中国铁路物资总公司于２月１４日至１５日在沈阳召开了沈阳铁道制动机厂（原铁道部沈阳机车车辆配件厂）１２０型货车空气制动控制阀生产和质量认证会。１２０型控制阀是货车制动机适应开行长大、重载列车...
Shenyang Railway Brake Factory 120 Type Control Valves Passed Production and Quality Certifications The Ministry of Railways Vehicles Bureau and China Railway Materials General Company held the Shenyang Railway Brake Factory in Shenyang from February 14 to 15 (formerly the Ministry of Railways Shenyang Locomotive Vehicles Parts Factory) Type 120 truck air brake control valve production and quality certification. Type 120 control valve is a truck brake adapted to open up, heavy-duty train ...