The lighting and light matching capability of the automobile headlamp is very important to the safety of night-driving .
汽车前照灯的照明性能、配光性能对保障夜间的行驶安全是非常重要的。
The collocation of equipment of this face and the equipment matching capability are analyzed and the technical and economic effect of this face is also introduced in this paper.
分析了加长工作面设备配置与配套性能，介绍了加长工作面开采的技术经济效果。
The collocation of equipment of this face and the equipment matching capability are analyzed and the technical and economic effect of this face is also introduced in this paper.
分析了加长工作面设备配置与配套性能，介绍了加长工作面开采的技术经济效果。
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