spiral propeller meaning in English
螺环推进器
螺旋螺桨
螺旋推进器
Examples
- The relational expression of the speed difference of drum and spiral propeller ( 0 ) and the difference of drum speed and input speed of the differential gear ( 1 ) is derived
由于钻井液的比重和粘度是随井下情况变化的不确定值，且现场对钻井液的处理量时有变化，需随时调节0或1以调节离心机的处理能力和效果。