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由于单向止回阀使空气弹簧无法正常工作,通过计算,车辆将在运用中会产生更加严重的问题,并提出在检修中加以改进的方案。
Due to the one-way check valve air springs can not work properly, through the calculation, the vehicle will have more serious problems in the operation, and put forward in the overhaul to improve the program.