sandwich girder
plural of meat sauce
plural of matriarchist
A girder consisting of two parallel wooden beams, between which is an iron plate, the whole clamped together by iron bolts.
The quality of being unbudgeable.
古い橋の支柱は、2本の平行な木製梁の間に鉄板をはさみ、全体を鉄製ボルトで締め付けた桁に隠れたひびが入ったことで破損し、技師たちは車道を閉鎖せざるを得なかった。
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