瑞士梅特勒 电子天平MS104S 梅特勒 分析天平 型号称量*精度梅特勒 分析天平 XS105DU 41g*120g 0.01mg*0.1mg宝140g/0.001g700/0.001ct型号 XS105DU 41g*120g 0.01mg*0.1mgXS205DU 81g*220g 0.01mg*0.1mg天240g/0.001g1200/0.001ctMS104SXS205DU 81g*220g 0.01mg*0.1mg XP504 520g*0.1mg平320g*0.1mg1600/0.001ctMS204S XP504 520g*0.1mg