The vibrations can cause houses to slide off their foundations, and can make buildings contract, expand, shake from side to side, and bounce up and down.

震动会使房屋滑出它们的建筑，会使建筑物收缩、廓张，两边摇晃，和上下弹跳。

youdao

Before powering up the drive always try to shake the drive carefully from side to side and listen, if there are any moving parts bouncing inside the HDA.

该驱动器的通电时从侧面仔细听，如果有任何移动部件的从HDA内异响。

youdao