从后缘, 叶型中心和前缘可预料得到有价值的数据.Interesting values may be expected from the trailing edge, the profile centre and the leading edge.卷型矿床的长度沿着弯曲的溶液前缘可达1哩以上.Roll deposits may be more than a mile in length along sinuous solution fro...

“前缘”的拼音为：qián yuán...

“前缘”的英语可以翻译为：lip，snoot，leading edge ...