本坞作业于孤立的遮蔽水域，具有自给的电力、高压水及压缩空气等动力源。

The dock can operate in isolated sheltered waters due to its independent electrical system, high pressure water system and compressed air system.

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本艇适用与沿海遮蔽和江河湖泊水域，特别适用与边防、海关、海事、渔政、水政等部门。

HY780 fast boat is suitable for sheltered sea areas, rivers and lakes, especially for Coast Guard, Customs, Marine Corps, Fishery and Watery Service etc.

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