Electric three-potential four-way valve is a special equipment for ship heeling adjustment during cargo handling operation on cargo ship. It was purchased from foreign countries in the past.

电动三位四通阀是货船在装卸货物和作业时调整船舶横倾的专用设备，过去都是从国外订购。

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Aimed at the safety and based on the potential problems during cargo handling, the precautionary measures to the operation of loading and discharging are introduced in this paper.

以散装货船装卸货的特殊性为出发点，介绍了散装货船在装卸货物过程中可能存在的潜在危险及防范措施，旨在保证散装货船装卸过程中的安全。

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Decreasing the operation cost and increasing the handling efficiency of cargo have become the major goal for ports to pursue.

减低码头的装卸成本，提高货物的装卸效率，是各个港口所要解决的首要问题。

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