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。
The food fresh-keeping bag which has the advantages of easy fabrication, firmness and durability, and low cost can play a favorable food fresh-keeping function.
该食品保鲜袋制作简单，结实耐用，价格低廉，可起到良好的食品保鲜作用，具有广泛的应用前景。
The food fresh-keeping bag which has the advantages of easy fabrication, firmness and durability, and low cost can play a favorable food fresh-keeping function.
该食品保鲜袋制作简单，结实耐用，价格低廉，可起到良好的食品保鲜作用，具有广泛的应用前景。
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