Nevertheless, the waterproofing process was essentially sound and was improved and refined over time.

尽管如此，防水处理根本上是完好的，并且随着时间的推移得到改良和完善。

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At the same time, though, Macintosh was experimenting with the idea of waterproofing fabric, using waste byproducts from the dye process.

然而，与此同时，麦金托什还在利用染色过程废弃的副产品进行实验，了解防水织物。

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The article briefs winding control system of waterproofing membrane production line, including its process, structure and function and especially details on its key techniques.

介绍了防水卷材生产线中卷毡控制系统的工艺流程、结构和功能，并对其中的关键技术作了详细分析。

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