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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Through summing up the ceramsite hollow brick wall waterproofing process to improve the block wall autiseepage technical level is intrduced.

本文通过对陶粒空心砖外墙防水技术措施的总结，以促进小型砌块外墙防渗漏技术水平的提高。

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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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