油位指示
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oil level indication
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The utility model can continuously measure the oil level and the water level of ship rapidly and accurately, and has the indication keeping function and various warning functions.
本实用新型能对船舶的油位、水位进行快速、准确、连续地测量，并具有读数保持及多种报警功能。
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