The dynamic highway vehicle automatic weighing instrument needs to verify vehicle gross weight demonstration and vehicle axis load demonstration.

动态公路车辆自动衡器的检定需要对车辆总重量示值和车辆轴载荷示值分别检定。

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NHTSA proposes to require a more stringent endurance test and to add a new high speed test for several heavy load range tires for vehicles with gross vehicle weight rating of more than 10,000 pounds.

国家公路交通安全管理局提出对一些车辆毛重超过10，000镑的载重胎要有一个更严格的耐久性试验和一个新高速测试。

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