adj. 无套管的;已开箱的
例句:
percent that of the uncased well, about 500 kw. however,
uncased百分比,嗯,差不多500千瓦。然而,
higher output than in the uncased well. at the highest
比uncased增加产量。在最高
discussion on the function of the mortar of the uncased concrete pile
对钻孔灌注桩泥浆作用的探讨