单选题 1分

When the vessel shafting are installed, the slightly inclined of the shaft line should be rectified ...

When the vessel shafting are installed, the slightly inclined of the shaft line should be rectified by ____.
  • A. adjusting the position of the intermediate bearing
  • B. changing the position of the main engine installation
  • C. adjusting the center line of the propeller
  • D. changing the position of the thrust block

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