penstock design
闸管设计
penstock installation
闸管安装
penstock maintenance
闸管维护
penstock pressure
闸管压力
penstock flow
闸管流量
penstock capacity
闸管容量
penstock system
闸管系统
penstock valve
闸管阀门
penstock inspection
闸管检查
penstock leakage
闸管泄漏
penstock design
闸管设计
penstock installation
闸管安装
penstock maintenance
闸管维护
penstock pressure
闸管压力
penstock flow
闸管流量
penstock capacity
闸管容量
penstock system
闸管系统
penstock valve
闸管阀门
penstock inspection
闸管检查
penstock leakage
闸管泄漏
探索常用高频词汇