ampliate
adj. 广大的;放大的
例句
The Shunwai Road Bridge of Yudai River in Nanchang is a portal rigid-jointed frame bridge with 22-meter net-span, adopting ampliate base.
南昌市玉带河顺外路桥为一净跨22米的门式刚架桥,采用扩大基础。