lock gate hatch

• 闸板门

lock gate hatch的用法和样例：

例句

1. 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。