folds in短语¹⁴⁴⁹⁷²⁺² 基本例句 v.调入；拌入 The folds in the ore district are divided into four grades, nd folds of different grades are considered to have been superimposed on each other in different phases of structural movement. 厘定了仙鹅抱蛋箱状倾伏背斜的存在，并将矿区内的褶皱构造划分为四级，认为不同级别的褶皱在不同期次的构造活动中存在着叠加行为； cnki