Its metal structures and mechanical & electric equipment are complex, and its operation mode, lockage techniques and control programs are much more complicated than the single-stage ship lock.
Its metal structures and mechanical & electric equipment are complex, and its operation mode, lockage techniques and control programs are much more complicated than the single-stage ship lock.
船闸机电、金属结构设备众多,运行方式和过闸工艺及其控制程序都较单级船闸复杂得多。