要知道草图可以参考Air Products的“特种气体和装置目录”。

For general drawings consult the Air Products "Specialty Gases and Equipment Catalog."

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许多纸浆和造纸公司已经把这些自动化分析产品列入“A”优先级装置的目录，在线的纸张质量传感器也具有同样的重要性。

Many pulpand paper companies have categorised these automated analysis products as “A”priority devices, with the same importance as on-line paper quality sensors.

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setup函数负责准备整个测试过程中需要使用的测试装置，在本例中只有测试用的RSS文件的目录，测试函数将对其进行解析。

The setUp function prepares the test fixtures used throughout the tests, in this case just the path to the test RSS file you'll parse in the test function.

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