The underflow energy dissipation is a commonly used type for sluice gate, and the apron is an important component of energy dissipation structure.
底流式消能是水闸常用的消能方式，海漫是其消能结构的重要组成部分。
Sluice valves are to be of a non-rising stem type and to have solid wedge discs.
泄水阀应该是一种闸阀，并且有一致的闸板。
Sluice valves are to be of a non-rising stem type and to have solid wedge discs.
泄水阀应该是一种闸阀，并且有一致的闸板。
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