Here are entered works on powerboats for pushing and towing in ocean waters, including harbors and coastal waters. Works on powerboats for pushing barges and other craft on inland waterways are entered under Towboats.
Tui Dong Gong Jian Si Chou Zhi Lu Jing Ji Dai He 21 Shi Ji Hai Shang Si Chou Zhi Lu De Yuan Jing Yu Xing Dong China -- See Yi dai yi lu (Initiative : China)