In the study and practice, and she mastered ", materials, pipe, "a scientific breeding technology.
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。
The breeding of pigs in the farm are all under technology control.
这家农场都是在科技的控制下伺养猪。
The breeding of pigs in the farm are all under technology control.
这家农场都是在科技的控制下伺养猪。
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