Wider pulse width, low pulse frequency and medium peak power should be used when pulse laser welds magnesium Alloy.
脉冲激光焊接镁合金时应遵循较大脉宽、低频率、中等峰值功率的原则。
Medium-magnesium cast steel is brittle and suitable for crushing low or medium hard ores Its abrasion-resistance is 2.45 as high as that of the high-magnesium steel under non-heavy impact conditions.
中锰耐磨铸钢属脆性材料，在非强烈冲击条件下使用，是高锰钢耐磨性的2.45倍，适用于破碎中低硬度的矿石。
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