The chain guide frame of coal cutting machine is produced with metabainited cast steel.
将准贝氏体铸钢应用于采煤机链轨架。
They work with remote control devices that change the direction, position and speed of a German-made cutting machine that slices back and forth along a 300-metre-wide coal face.
他们操作的遥控装置可以改变截煤机的方向、位置和速度，这台德国产的截煤机可以沿着一道300米宽的煤面来回进行切割。
On-way distribution of dust in the full face mining was researched during the process of coal mining machine cutting coal.
研究采煤机在割煤落煤过程中，粉尘在综采工作面的沿程分布情况。
The innovation with increasing cutting height of 1MG250 coal machine is introduced in this paper.
介绍了对1MG250采煤机为增加采高而作的革新改造。
The paper introduces the main functional design of a kind of small cutting coal machine with hydraulic fork lift as feed power and chain-saw cutting knives driven by generator as working head.
论述了一种利用液力叉车作为进给动力，由电机驱动链锯式割刀作为工作头的小型立式割煤机的主要性能设计。
Wedge impact blade of impact cutting coal machine was designed and its working process was stimulated.
本文通过对冲击采煤机冲击刀具的设计及其参数的研究，设计了较为合理的楔形冲击刀具。
Another miner who had worked in a section affected by the explosion said methane levels frequently set off detectors, forcing the automatic shutdown of a coal-cutting machine.
谁曾在另一个受爆炸影响的部分工作的矿工说，甲烷水平经常掀起探测器，迫使煤炭切割机自动关机。
Coal-rock boring machine is able to achieve cutting, loading, reproduced transport, walking and spray Dust combined unit.
半煤岩掘进机是一种能够实现截割、装载、转载运输、行走和喷雾除尘的联合机组（略）。
This paper analyses the existing problem of coal winning machine cutting part, puts forward improving propose.
分析了采煤机截割部存在的问题，提出改进建议。
This paper analyses the existing problem of coal winning machine cutting part, puts forward improving propose.
分析了采煤机截割部存在的问题，提出改进建议。
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