对虾脱壳、吃料或活动不正常时及时使用，可避免病害发生。

Timely using the product can avoid disease when prawns shell, eat and move abnormally.

youdao

对虾脱壳、吃料或活动不正常时及时使用，可避免病害发生。

Timely using the product can avoid disease when prawns shell, eat and move abnormally.

youdao