Compared with the traditional vertical dryer has high rate of finished products, coal is not easy to broken, environmental protection and energy saving advantages.
与传统的立式烘干机比较具有成品率高、煤球不易破碎、环保节能等优点。
Conclusion Application of full domestic set of high kV photograph in grassroots coal mineral hospital could improve early diagnosis rate of dust-exposed miners.
结论采用全套国产设备在煤矿医院推广高仟伏摄片对提高接尘工人尘肺的早期诊断具有一定应用价值。
As the machinery mining of high coal production rate was adopted in Kaiping coal Mine, that the transport issue must be resolved.
开平煤矿采用机器采掘，出煤率高，必须解决运输的问题。
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