Barge rates can jump on a variety of reasons due to weather, a problem at a lock and dam, for a demand response, etc.
很多因素都可以导致驳船运费的上涨，比如天气、大坝船闸、需求反应等。
2
The general situation of the project of Huizhou Pumped Storage Power Station was introduced, and the mode of energy dissipation by hydraulic jump was suggested for upper reservoir overflow dam.