Curve superelevation, critical transversal track resistance and gauge keeping strength are the principal parameters governing the passing speed of trains over the curve.
曲线超高、轨道临界横向抗力、轨距保持强度是控制列车曲线通过速度的主要参数。
With good transversal rupture strength and wear resistance, it is suitable for low-speed rough turning and milling of heat resistanct alloys, titanium alloys and of plastics glass well.
具有很高的抗弯强度和良好的耐磨性能，适用与低速粗车和铣削耐热合金、 钛合金，也可加工玻璃钢。
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