Terms for subject Hydroelectric power stations containing flight

English	Chinese
flight line	航线
flight lock	多级船闸
flight plan	梯级规划
flight route	航线
lock flight	多级船闸
lock flight	梯级式船闸
locks flight	多级船闸
locks flight	梯级式船闸
staircase with several flights	多梯段楼梯
staircase with straight flight	单跑式楼梯