This alternation feature is commonly related to emplacement of C - shaped rolls.蚀变的特征一般同C形的卷型矿化有关.But they differ in association and mode of emplacement.但在共生和侵位的方式不同.Concrete emplacement has some shape transition.混凝土基座有一...
Fold the ironing board up so that it is flat.把熨衣板折起放平。I'd board up the windows if I were you.如果我要是你的话,我就用木板把窗户钉上.We're going to board up every window in this house.我们要将屋子里所有的窗户用木板钉上....