而且用这些技术处理后产生的二次污染物，也需要花费不少来处理。

In addition after treatment these technologies generate large secondary waste streams that require expensive disposal.

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而且用这些技术处理后产生的二次污染物，也需要花费不少来处理。

In addition after treatment these technologies generate large secondary waste streams that require expensive disposal.

youdao