fillmass emptying gate 糖膏卸除门
Based on the numerical simulation, the check gate contraction section and the vertical-curve section of the emptying tunnel are optimized.
通过数值模拟方法对放空洞检修闸收缩段和龙抬头竖弯段进行了优化。
A sluice gate for regulating the amount of water in a millrace or a canal or for emptying a lock.
位于河流上游的用以控制上游的水流的一个水闸。
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