In fact, however, in the process of sluice opening, the outflow is unsteady flow.
其实闸门开启过程中的出闸水流属非恒定流。
At present, the measurement of sluice gate opening usually USES the digital encoder. It has the advantage of high measuring precision and USES the absolute coding method which makes it widely used.
目前水库闸门开度测量通常使用的是数字编码器，它的测量精确度高且使用绝对编码技术，得到广泛的应用。
Objective to clarify the change of vegetation types and its relationship between the density of alive-snails in the areas of "breaking dikes or opening sluice for water store" in Jicheng.
目的探讨退田还湖前后集成垸试点植被类型的变化及植被类型与钉螺孳生地活螺密度之间的关系。
Objective to clarify the change of vegetation types and its relationship between the density of alive-snails in the areas of "breaking dikes or opening sluice for water store" in Jicheng.
目的探讨退田还湖前后集成垸试点植被类型的变化及植被类型与钉螺孳生地活螺密度之间的关系。
应用推荐