GB/T 16671-2018
产品几何技术规范(GPS) 几何公差 最大实体要求(MMR)、最小实体要求(LMR)和可逆要求(RPR)
Geometrical product specifications (GPS)—Geometrical tolerancing—Maximum material requirement (MMR), least material requirement (LMR) and reciprocity requirement (RPR)
GBT16671-2018, GB16671-2018