Note: Our test system was idle, with no other activity running, when we ran these tests.
注意：在执行这些测试时，测试系统是空闲的，测试时没有运行其他任何活动。
Test result shows that vibration from exhaust system to floor and sound pressure to driver's right ear on idle running are reduced with the optimized hanger systems.
怠速工况试验表明，优化后的挂钩不仅降低了车内驾驶员右耳侧噪声，而且减小了排气系统传到车身地板的振动。
Test result shows that vibration from exhaust system to floor and sound pressure to driver's right ear on idle running are reduced with the optimized hanger systems.
怠速工况试验表明，优化后的挂钩不仅降低了车内驾驶员右耳侧噪声，而且减小了排气系统传到车身地板的振动。
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