lock gate hatch是什么意思 lock gate hatch怎么读
lock gate hatch的用法和样例
- Here fine effect was obtained by using nonlinear correction method to improve properties and stability of the recumbent flap gate tail-water measuring and controlling system.
采用加入非线性校正法,对翻板门尾水测控系统的性能指标和稳定性进行改善,取得良好效果。
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