bayonet eatch
闭锁梢 lock pin
沉梢坝是长江崩窝治理形式之一，它是由若干树枝梢体在崩窝口门叠加而成的透水坝，是在岸线崩塌形成崩窝以后采用的锁口促淤方法。
Fascine dike is one of the methods for the control of collapsing pits along river bank, which is actually a pervious dike piled up by the fascine bundles.
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