Rim Driven Propellers (RDP) or Rim Drive Propulsers and Thrusters 环驱动螺旋桨（RDP）或环道的推进方式和推进器

to the author of the video If video bother you, Send me a message so I'm going to delete it . thanks Rim Driven Propellers (RDP) or Rim Drive Propulsers and Thrusters 环驱动螺旋桨（RDP）或环道的推进方式和推进器 Rim Driven Propellers (RDP) or Rim Drive Propulsers and Thrusters 环驱动螺旋桨（RDP）或环道的推进方式和推进器



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