The deoxidization effect with hydrogen was superior to that with cyclohexene.氢气还原活化效果明显优于环己烯还原效果.Some traditional deoxidization methods andareand a new technique with externally applied voltage proposed in this paper.现有实...
The dance moves in a counterclockwise direction.这支舞是按逆时针方向跳的。Do the vanes in the figure rotate clockwise or counterclockwise?图中叶片的旋转方向是顺时针的,还是反时针的?Rotate the head clockwise and counterclockwise.按顺时针方向转动头部，然后再逆时针旋转。This c...