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皇建玉■二,长四寸九分,广二寸五分,厚一寸强(乾隆营造尺)。一端作两穿,横贯于中,与世之
Emperor Jian Yu ■ Second, the four-inch nine-point, wide two-fifths, thick one inch strong (Qianlong Ying Chi). One end for two to wear, across in, with the world