casing guide of pump

例句：

1. 1. The pump's casing guide is crucial for ensuring proper operation of the pump.
   泵的壳导向对于确保泵的正确运行至关重要。
2. 2. The new design of the casing guide has significantly improved the efficiency of the pump.
   新设计的壳导向大大提高了泵的效率。
3. 3. The casing guide is made from high-quality materials to ensure longevity and durability.
   壳导向由高质量的材料制成，以确保持久性和耐用性。