光学读数分析天平是实验室最常用的仪器之一，是进行精密、准确称量的不可缺少的工具。
Optically analytical balance in laboratory is one of the most common instruments, and is an essential tool on measuring weight precisely and sensitively.
比例更精密，用料更上乘，采用三连包装设计，打包投料即可，无需称量，使操作更方便、更快捷。
More precise proportion, with more excellent, the use of three packaging design, packaging even release can, need not weighing, the operation is more convenient and more quickly.
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