ballast
扒碴机
ballast raking equipment
暂无补充释义。
相关词条
Glitsch ballast valve tray
ballast
gas ballast pump
in ballast
ballast water tank【船】;water ballast tank【船】
ballast of fluorescent lamp
RAMMING of ballast under railway sleepers
ballast raking equipment
暂无补充释义。
ballast
Glitsch ballast valve tray
ballast
gas ballast pump
in ballast
ballast water tank【船】;water ballast tank【船】
ballast of fluorescent lamp
RAMMING of ballast under railway sleepers