drum speed meaning in English
鼓送
滚筒转速
Examples
- Drum speed r min
转鼓转速rpm - 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。