helitank

This technology mainly includes researches on helicopter flush equipment parameters and flush procedures.

直升机水冲洗带电线路绝缘子作业于2006年正式服务于跨区电网。

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.

景洪升船机为水力浮动式垂直升船机。