本发明结构设计合理，大大降低劳动强度和工程作业的成本。
The oil collecting boat of the invention is reasonable in structure and design and greatly reduces the labour intensity and the cost of engineering operation.
本发明结构设计合理，大大降低劳动强度和工程作业的成本。
The oil collecting boat of the invention is reasonable in structure and design and greatly reduces the labour intensity and the cost of engineering operation.
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