At its most basic level, a roller coaster is a machine that USES gravity to send a train along a winding track.
从最基本的层面来说，过山车是一种利用重力让车体沿着弯曲轨道运行的机器。
2
The measures to disturbing the current by means of winding on the conductor surface or application of low-noise conductor can reduce the level of wind noise and corona noise.
在导线表面采取缠绕扰流线措施或直接使用低噪声导线，能够降低导线风噪声和电晕噪声水平。
3
The zigzag path ensures the extreme level change is accessible for all, the path also becomes a geological pattern language, as if one is a walking on trails winding up a steep mountain.