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天平和量筒是两种经常用到的测量仪器,对于这两种初中阶段非常重要的仪器的使用,我们必须要有一个全面的认识,才能顺利地识破隐藏在题目中的陷阱.
Balances and graduated cylinders are two commonly used measuring instruments. For the use of these two very important instruments in the junior middle school, we must have a comprehensive understanding of the pitfalls hidden in the subject.