For a single track lift, the container density is large, the pile height is higher, thus a higher handing level without turning over is needed.
单台轨迹吊对应的集装箱密度较大，堆高也较高，需求较高的办理水平，以避免频频翻箱。
2
A shaft of Hongtoushan was deepened for many times and the liftcontainer was changed for many times, thus, the safe space was not big enough.
叙述了对红透山铜矿一竖井由于多次延伸，多次更换提升容器，导致安全间隙不足而进行的技术改造。
3
Elevation of wharf apron is different from that of back container yard in mountainous rivers, so, land transportation consists of both level conveyance and lift of containers.