PDF(994 KB)
河西走廊植棉区棉花生产全程机械化技术
雷晓春, 焦自虎, 李君, 张瀚
PDF(994 KB)
PDF(994 KB)
河西走廊植棉区棉花生产全程机械化技术
The mechanization technology of cotton production in the cotton planting area of the Hexi Corridor
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