-
三峡工程—临时船闸上闸首、下闸首船闸液压系统总成。
Three Gorges Project-Upper and lower lock heads for the temporary ship lock Ship lock hydraulic system assembly.
youdao
-
三峡工程—临时船闸上闸首、下闸首船闸液压系统总成。
Three Gorges Project-Upper and lower lock heads for the temporary ship lock Ship lock hydraulic system assembly.
youdao