The structural features and working principle of QFZ cleaning-grading machine were introduced in detail.
详细介绍了QFZ清理分级机系列产品的结构特点和工作原理。
The application of QFZ cleaning-grading machine in cleaning technology for different materials such as wheat, soybean, corn and etc. was summarized.
总结了QFZ清理分级机系列产品在小麦、大豆、玉米等不同物料的清理工艺中的使用情况。
This paper described the structure, features, test results and application effect of the newly developed Model QFZ-22 portable drilling machine for outburst control.
介绍了新研制的QFZ—22轻便型防突钻机的结构、特点、试验情况及推广应用效果。
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