见<Bold>TON</Bold><Superscript>1</Superscript>(义项1)。
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The GB12676-1999 standard prescribes that the M3 bus which gross weight is great than 12 ton and the N3 truck or tractor which gross weight is great than 16 ton must install ABS from 2003.
1999年国家颁布了GB12676-1999标准,规定从2003年起总重大于12吨的M3类城间及旅游客车及总重大于16吨的N3类卡车及牵引车必须安装汽车制动电子防抱系统。