propeller emergence

常見例句

雙語例句

• Ship propeller emergence of the ship propulsion technology a major step forward, but also on the boat force a major reform, it is actually the original form of the ship.
  槳輪船的出現(xiàn)，是船舶推進技術(shù)的一個重大進步，也是對船行動力的一次重大改革，它其實就是原始形態(tài)的輪船。
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