internal riser pipe的用法和樣例：
例句
- Based on the calculated results, the fatigue damage by vortex induced vibration along a riser is predicted.
在此基礎上計算了立管沿長(cháng)度方向渦激振動(dòng)引起的疲勞損傷。 - The backflow preventer must be supported and is not designed to carry full weight of the stand pipe.
防回流閥必須有所支撐，不能用于承載立管的全部重量。
