viscous neutral oil

例句：

1. 1. The engine requires a specifictype of lubricating oil tooperate efficiently.
   发动机需要特定类型的润滑油才能高效运转。
2. 2. In the automotive industry, viscosity neutral oil iscommonly used in transmissions and gearboxes.
   在汽车工业中，黏稠中性油常用于变速器和齿轮箱。
3. 3. Theengineer carefully selected the right viscosity neutral oil for the machine'sneeds.
   工程师仔细选择了适合机器需求的适当黏稠中性油。