The oar steamboat appearance, is a ships Journal of Propulsion Technology tremendous progress, also is to a shipping agency power significant reform, it is actually the primitive shape steamboat.

 
  • 槳輪船的出現,是船舶推進(jìn)技術(shù)的一個(gè)重大進(jìn)步,也是對船行動(dòng)力的一次重大改革,它其實(shí)就是原始形態(tài)的輪船。
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