implement strict vehicle emission standards的意思|示意

制定严格的汽车排放标准 ... reduce the number of vehicles减少车辆 implement strict vehicle emission standards制定严格的汽车排放标准 reduce waste减少浪费来源：考试大 ...

实行严格的机动车辆排放标准 实行严格的机动车辆排放标准 implement strict vehicle emission standards 实施严格的检查，维修制度 carry out a strict system of inspection and maintenance ..