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与亲女洗澡时伦了2次,熟妇人妻中文AV无码,国产毛多水多做爰爽爽爽,草草久久久无码国产专区,男女一起努力做豆浆

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Marine shaft generator>> 

The generation system driven by the main propulsion diesel engine of a ship is called a shaft generation system. During voyage, the entire power supply for the ship is provided by the shaft generator.

Oil-efficient and environmentally friendly;

Constant power generation frequency;

Constant generation voltage;

Lower equipment maintenance costs;

Compatible with global port power systems.

  • Main engine free end direct driven type

  • Main engine free end speed-up type

  • Main engine drive end tail shaft holding type

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