The hauling system is adopted in accordance with the results of the study. Critical equipment, such as the large tonnage winch and passive unreeling machine, are manufactured.
Tugboat operation is the important part of the service system of the port, the rational marshalling of equipment directly affects the number and tonnage of the vessels arrived at the port.
港口拖轮作业是港口服务系统的重要组成部分，拖轮的合理配置直接影响着到港船舶的数量和吨位。
3
The study results provide a theoretical support for the design of the large-tonnage roller hydraulic vibration system.