青云翻译

Points is not greater than 0.02ph, with a glass electrode and calomel electrode, and is equipped with potentiometric titration;

Indexing is not more than 0.02pH, equipped with glass electrode and a calomel electrode, and equipped with electric potential titration;

The indexing is not bigger than 0.02pH, has the glass electrode and the calomel electrode, and has the electrometric titration;

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Indexing is not more than 0.02pH, equipped with glass electrode and a calomel electrode, and equipped with electric potential titration;