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。
SL-package: shock-absorber, wing support, 2-piece trail wheel rail and hydr.
综合配套：吸震装置，机翼支撑架，两节轮轨和液压升降器。
SL-package: shock-absorber, wing support, 2-piece trail wheel rail and hydr.
综合配套：吸震装置，机翼支撑架，两节轮轨和液压升降器。
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