towboat
- 网络拖船
towboat
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The Status Quo and Development Tendency of Towboat in Jiangsu Province
江苏省拖船现状和发展方向
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For example , permits could be issued to travel through locks at specified times , and those permits could be traded among towboat captains .
比如,可以通过许可证的发放将船闸通行限定在指定时间内,而且许可证也可以在拖船船长之间进行交易。
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Test of the optimum routing and service for the operation of ocean towboat in winter season
冬季远洋拖轮作业的最佳航线服务试验
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Diagnosis for faults of rotary propulsion apparatus operating system in towboat and general methods to deal with it
拖轮全回转式推进装置操纵系统故障判断和处理的一般方法