ballasted track

短語詞組

短語

• ballasted sleeper track 道渣軌枕軌道
• ballasted track structure 鋪碴軌道結(jié)枸
• Non -ballasted track 無碴軌道
• ballasted track on bridge 橋上有砟軌道
• improved ballasted track 經(jīng)改進(jìn)的有渣軌道
• Slab non -ballasted track 板式無碴鉄軌
• rolling noise of non -ballasted track 無碴軌道滾動噪聲
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