意思是：波纹管；
句子实例：
Ensure the fittings of Ripple Pipe and water pipe have be screwed down.
确认波纹管和水管的接头是否拧紧。
The degree of obliqueness of the corrugated tube surface profile has some influences on the velocity distribution and pressure field.
波纹管的表面型线倾斜度影响着波纹管绕流的流场和其表面压力的分布。
