特点：　　◆称量大，精度高；整机保温性好。　　◆机械减码，操作简便。　　◆灵敏度高，直观性强。　　◆取放试样，随意方便。 Feature: 　　◆Large range, high precision, good temperature of the wholel instrument 　　◆Reducing weight mechanically, convenient operation 　　◆high sensitivity, strong intuition 　　◆Taking or putting sample conveniently