首页 › 答案 › 题库 › 才高八斗

水中硬度分为碳酸盐硬度和非碳酸盐硬度。

水中硬度分为碳酸盐硬度和非碳酸盐硬度。
A、正确
B、错误
正确答案：A

标签：硬度碳酸盐

上一条：Investment funds have moved out of commodities and into liquid assets.

下一条：While exports are reasonably robust， domestic consumption remains moribund —a sign of the country’s common anxiety about the future.