For the sake of the noise control of automotive noise, an improved method is presented through some muffler of a subminiature truck tests on an engine test bed.
以控制汽车加速噪声为背景，通过对某微型卡车排气消声器的测试分析结果，提出相应的改进措施。
2
Holland's system received a severe test when a truck loaded with chemical substances caught fire in the tunnel and exploded.