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The manganese fork properly extends a wing rail to reduce an impact angle in order to enhance the train speed.
锰叉将翼轨适当延长以减小其冲击角,提高车速。
youdao
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The manganese fork properly extends a wing rail to reduce an impact angle in order to enhance the train speed.
锰叉将翼轨适当延长以减小其冲击角,提高车速。
youdao