bascule

/ˈbæskjuːl/

noun

A counterbalanced structure having one end that rises as the other lowers. / (firearms) The portion of a breech-loading firearm that pivots open in order to allow access to the chamber.

The bascule bridge opened to allow the boat to pass through.

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詳細

意味（1）

A counterbalanced structure having one end that rises as the other lowers.

The study sample contains nine rolling-lift bascules of the type invented by Chicago engineer William Scherzer in 1893 , and refined by the engineering staff of the Scherzer Rolling Lift Bridge Company, also of Chicago.

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