最終更新日：2024/08/07
A kind of lock by which a short length of canal can be temporarily lowered while a boat passes under an obstruction such as a low bridge.
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drop lock
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元となった辞書の項目
A kind of lock by which a short length of canal can be temporarily lowered while a boat passes under an obstruction such as a low bridge.
drop lock
DiQt（ディクト）
無料
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