This technology mainly includes researches on helicopter flush equipment parameters and flush procedures.
直升機水沖洗帶電線路絕緣子作業于2006年正式服務于跨區電網。
The navigation facility of Jinghong Hydropower Station is a new-style ship lift named the hydraulic floating vertical ship lift,which have obvious advantage of safety and simple installation com- pared with ship lifts of other styles.
景洪升船機為水力浮動式垂直升船機。