lower head ; tail-bay ; lower lock head ; downstream lockhead
·2,447,543篇论文数据，部分数据来源于NoteExpress
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
应用推荐
模块上移
模块下移
不移动