retractable bridge
英汉例句
- The retractable design allows for boats to cruise through the canal unobstructed, and the bridge rolls up every Friday at noon.
收缩设计使船只畅通无阻的通过运河。卷桥每周五的中午会卷起来。 - The bridge structure is formed by the inside and outside arc end carriage and the upper and lower retractable main girder, with compact structure, light weight and beautiful and dignified appearance.
内外弧形端梁与上下层伸缩式主梁构成的桥架结构紧凑，重量轻巧，美观实用。