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适用于牧业区和以牧业区为主的半农半牧区，蚕桑区。
It is applicable to pasturing areas and semi-agricultural and semi-pasturing areas, silkworm areas.
youdao
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适用于牧业区和以牧业区为主的半农半牧区，蚕桑区。
It is applicable to pasturing areas and semi-agricultural and semi-pasturing areas, silkworm areas.
youdao