outside indicator是什么意思 outside indicator怎么读
outside indicator的用法和样例
- Our goal is to obtain an indicator that can gauge concentrations.
我们的目标是得到能够测量浓度的指示剂。 - Upon the addition of a good starch indicator a blue solution results.
加入好的淀粉溶液指示剂,这时溶液变成兰色。
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