Based on this, a new method to determine the fresh leaf with Fluorine ion counter directly was set up.

以此为基础，建立了氟离子浓度计鲜叶直接测定法。

youdao

Based on this, a new method to determine the fresh leaf with Fluorine ion counter directly was set up.

以此为基础，建立了氟离子浓度计鲜叶直接测定法。

youdao