在不断的学习与实践中，她熟练掌握了“种、料、管、防”一整套科学饲养技术。

In the study and practice, and she mastered ", materials, pipe, "a scientific breeding technology.

youdao

在不断的学习与实践中，她熟练掌握了“种、料、管、防”一整套科学饲养技术。

In the study and practice, and she mastered ", materials, pipe, "a scientific breeding technology.

youdao