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In Chapter 6, it is about the running of the testing information system.
第六章，测试信息系统的运行情况。
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We are testing for poisonous chemicals in the running water.
我们正在测定自来水中的有毒化学物质。
youdao
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We are testing for poisonous chemicals in the running water.
我们正在测定自来水中的有毒化学物质。
youdao