推进器

• Coaxial contrary rotating propeller
  同轴对转推进器
• Careful . - start the impellers
  -小心-启动推进器
• A higher education is being developed by the modern information technology
  现代信息技术是高等教育发展的推进器
• Characteristic curve of propeller
  推进器特性曲线
• Sure that at least one propeller was moving in and out of phase
  肯定至少有一个推进器的运转时而协调,时而不协调。
• I ' ll go sharpen the propeller
  我去加快推进器
• Space engineering - mechanical - liquid and electric propulsion for spacecraft
  航天工程.机械.航天器液体和电力推进器
• Voith - schneider propeller ship
  下旋推进器船
• Thrusters must have a circular shape ( see section about thrusters )
  推进器的外观必须是圆柱型的（参照推进器的部分） 。
• Screw propellor for boat
  船用螺旋桨推进器