The development of acid - resisting calcium carbonate abroad and its research progress were introduced.

介绍了国外有关耐酸碳酸钙产品的开发和研究进展.

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The product can prevent mould from growing. They have excellent performance of acid - resisting and alkali - resisting .

它们能防止霉菌生长, 而且耐酸 抗 碱,性能优越.

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Ceramic membrane has the characteristics of high - temperature - resisting ? acid - resisting high mechanical intensity and long service life, etc.

陶瓷膜具有耐高温、机械强度高、耐酸碱性、使用寿命长等特点.

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