cutting off machine

The invention discloses a novel rail-straightening machine capable of effectively improving a straightening dead zone of a rail, and avoids waste caused by cutting off the straightening dead zone.

本发明公开了一种可有效改善钢轨矫直盲区的新型钢轨矫直机，避免将矫直盲区切除造成生产浪费。

If the discharge pressure is normal, so, don't answer the artifacts, cutting with high pressure cut-off valve pressure, see if we can keep pressure testing machine itself.

如果泄压口正常，那么，不接工件，用高压截止阀截断压力，看试验机本身能否保住压力。

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。