单词	Vegem
释义	Vegem 维盖母
随便看	ballast leakage resistance ballast leg ballastless ballastless deck ballastless railway ballastless slab track ballastless track ballast-less track ballastless track construction ballastless track geometry size ballastless track high-speed railway ballastless truck ballastless turnout ballastles track ballast leveling device ballast level measurement ballast lighter ballast lighters ballast line ballast liquid ballast loaded accumulator ballast loader ballast-loader ballast lumen factor ballast lump