In place test is a necessary measure to assure the effectiveness of HEPA filter and iodine adsorber.

现场试验是保证高效过滤器和碘吸附器有效性的必要措施。

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In place test is a necessary measure to assure the effectiveness of HEPA filter and iodine adsorber.

现场试验是保证高效过滤器和碘吸附器有效性的必要措施。

youdao