One can improves performance of hydrophone and simplify working process for the advantage of batch process by pour forming and winding composite film process in this paper.
采用的灌注成型工艺和复合膜卷绕技术，可使水听器的性能得到改善，并简化了工艺，利于水听器的批量生产。
The corrosion resistance of renovated film was measured by batch salt spray test.
采用间隙盐雾试验考察了修复层的耐蚀性能。
The solid ink roll be USES in the machine, used for plastics thin film, paper quality etc. material surface prints to make the date of production, batch number... etc marking.
品用途及特点：固体墨轮配套于墨轮机使用，用于塑料、薄膜、纸质等材料表面印制生产日期，批号等标识。
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