例句與用法

1. Thirdly , the basic configuration plan of a ship undocking assisted by different number of tugs is given . the relationships among the gyroidal moment , gyroidal time and drag forces of tugs in the process of ship undocking are analyzed . the margin of the tugs " towing forces during the ship undocking and turning process is studied
   三、制定了不同數(shù)量拖輪協(xié)助船舶出塢時(shí)的基本布置形式，給出了不同拖輪協(xié)助船舶出塢時(shí)的拖輪布置示意圖，并試驗(yàn)分析了船舶出塢回轉(zhuǎn)力矩與回轉(zhuǎn)時(shí)間和拖輪拖力之間關(guān)系，并確定了用于船舶出塢回轉(zhuǎn)的拖輪拖力的余度大小。