sand prevention

常见例句

JC" intake is a high effective, grass-prevention, and sand drainablenew type structure."
JC型取水头是一种高效、防草和除沙的新型取水头。
Generally, it is not enough to take mechanical or chemical sand-prevention methods for those high sand production wells, resulting in replacing the sand-prevention tubings.
对于严重出砂地层的油水井，即使采取了机械或者化学防砂措施，也不能保证油水井的长期稳产，不得不提出防砂管柱进行更换。
The agronomy approaches to sand-dust storm disasters reduction were suggested, and mechanism for sand-dust storm prevention under the ground of global climate change was discussed mainly.
在此基础上提出了沙尘暴减灾的农学途径，着重探讨了在全球气候变化的大背景下以冬小麦和冬油菜为代表的冬作物北移措施和保护性耕作措施的防尘机理。