Which works better, the mud cleaner or desilter?

泥浆清洁器和除泥器，哪一个运转好一些？

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This kind of mud cleaner is much needed in this oi1 field.

这种泥浆净化器在这个油田很需要。

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Some new chemical cleaner and treatment technology for slag-mud and waste-water have been developed for chemical cleaning at abroad.

化学清理在国外的主要进展是，开发出了一些新型化学清理剂以及对渣泥和废水的处理技术。

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