largespan大跨径largeadj.大的；大量的；大号的；广泛的adv.夸大地；[航海]顺风地v.狂欢作乐large-scale system大系统Large flight envelop大飞行包络larger feeding angle大送进角large matrix problem[计] 大矩阵问题large inclined angle大倾角large sealing flange大型密封法兰large vertical slope纵坡大large-lot producer大型企业largest movable area最大可动域large chain retailer大型连锁零售企业