（金属货币）检验室，检验办公室
(金属货币)检验室
The assay office said it was genuine silver.───化验所称这是真银。
The mint reopened as an assay office in 1876.───新奥尔良铸币厂在1876年被用作为实验室重新开放。
The mint reopened as an assay office in 1876.
The assay office said it was genuine silver.
