短語詞組短語heterogeneous infilling 非均勻加密infilling well 加密井infilling sequence 充填序列infilling succession 充填序列infilling injection 充填注漿crevasse infilling 冰隙填充物;冰隙充填物secondary infilling 二次加密infilling material 芯材tertiary infilling 三次加密井 返回 infilling