certified weights 检定法码...numerical weights 权衡值...system of weights and measures 度量衡制...bureau of weights&measures 度量衡检验局...button weights 试金法码...analytical weights 分析砝码...mold weights 砂模压重...international bureau of weights and measures 国际度量衡局...inspector of weights and measures 度量衡检查员...
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