level luffing crane
俯仰式起重机
luffing winch
暂无补充释义。
相关词条
level luffing crane
level-luffing crane【机】
non-operating luffing【机】
boom【机】;luffing jib【机】
gantry crane with level luffing crane
level luffing crane with the jib head moving on an elliptical path
hydraulic luffing【机】