helical-gear pump

例句：

1. 1. The helical gear pump is a common type of pump used in industrial settings.
   螺旋齿轮泵是一种在工业环境中常用的泵。
2. 2. The helical gear pump is efficient and reliable, making it a popular choice for many applications.
   螺旋齿轮泵效率高且可靠，因此是许多应用的热门选择。
3. 3. The helical gear pump is designed to handle high pressure and flow rates, making it ideal for use in water treatment plants.
   螺旋齿轮泵设计用于处理高压力和流量，使其非常适合用于水处理厂。