-
The motion of the block is reduced to the stiff-body motion on plane.
把护坡板的失稳归结为刚体平面运动。
youdao
-
They booked a block of seats in the middle of the plane .
他们包租了飞机客舱中部的一组座位。
youdao
-
They booked a block of seats in the middle of the plane .
他们包租了飞机客舱中部的一组座位。
youdao