With one example, the method of protecting from corrosion in pressure vessel used in chlorine and alkali system as well as the design of construction were introduced in this article.
根据实例介绍了氯碱系统中压力容器防腐蚀的一种方法，并进行结构设计。
Also there are many ancient trees, which would have been damaged by the alkali from the cement. We have had to install a special irrigation system.
还有，这里有许多古树，水泥的碱会损坏这些它们，我们不得不安装一个特殊的灌溉系统。
The paper studied the effect of different foamer, foam stabilizer and alkali on foam stability in foam combination system.
文章研究了泡沫复合体系中发泡剂、稳泡剂和碱对复合体系稳定性的影响。
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