“斜道”的英语？

大会堂多个地点设斜道及楼梯升降台,方便轮椅使用者.Ramps and stair - lifts for wheel - chaired patrons are available at suitable locations.达到顶端后, 船体开始移动至下行斜道.After reaching the top, the boats start moving into the downhill chute....