從后緣, 葉型中心和前緣可預(yù)料得到有價(jià)值的數(shù)據(jù).Interesting values may be expected from the trailing edge, the profile centre and the leading edge.卷型礦床的長(zhǎng)度沿著彎曲的溶液前緣可達(dá)1哩以上.Roll deposits may be more than a mile in length along sinuous solution fro...