“evaluation criteria of air cleanliness”的概念、定义、翻译、参考文献-科学参考

单词	evaluation criteria of air cleanliness
释义	evaluation criteria of air cleanliness Encyclopedia 工学洁净环境检测释 evaluation criteria of air cleanliness洁净度评定标准为规范洁净室的洁净度等级，各国和地区所制定的检测要求和标准。一直以来，各国都采用美国联邦标准给出的洁净室洁净度评定标准。
随便看	two sleeper tamping car two-slit diffraction Two Solitudes Two-Sorted Type Theory Two Sparrows and One Rabbit two-spectrum binary two-sphere model two spheres electric field meter two-spotted leaf beetle two squares theorem two-stack machine two-stage two stage acceleration two-stage acceleration two-stage estimate two-stage estimator two-stage grinding- classification circuit two-stage growth model two-stage least squares two-stage least squares method two-stage method two-stage problem two-stage programming two stage program with recourse two-stage sampling

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