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.
通过研究，采用了双线往复门架式牵引系统，自主研制了能实现均衡放索的大吨位主牵引卷扬机、被动放索机构等关键机具。
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。
The study results provide a theoretical support for the design of the large-tonnage roller hydraulic vibration system.
研究结果为大吨位压路机振动液压系统的设计提供理论依据。
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