有关天平的试题．概括起来，主要有两种类型。现分析如下：第一种类型天平的使用与操作例1调整托盘天平平衡时，天平的指针偏向分度盘的左侧，这时应采取的措施是（）。（A）把天平的游码移至零刻度（B）往天平托盘上加适量的法码（C）天平左侧的平衡螺母住左拧（D）天平左侧的 Questions about the balance. In summary, there are two main types. The analysis is as follows: The use and operation of the first type of balances Example 1 When adjusting the balance of the tray balance, the balance hand is biased towards the left side of the indexing disk, and the measure to be taken at this time is (). (A) Move the scale’s rider to zero scale (B) Add a suitable amount of weight to the balance tray (C) Balance nut on the left side of the balance Lively screw (D) Left side of the balance