slipperier
1. And the $1.1 trillion is even slipperier.
并且这1.1万美元也极不可靠。
2. It is concluded that the slipperier steel with high strength should be a better choice for the arc board,and increasing the creeping velocity of the skip should be feasible to shorten the co...
应尽可能选用高强度、低摩擦系数的特殊钢材制作扇形闸门弧形板,以降低冲击力值。