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Terms for subject Electronics containing 3M | all forms | in specified order only
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1 particle 0.3μm in size per cubic foot of air1级净化
1 particle 0.3μm in size per cubic foot of air每立方英尺空气含1颗0.3微米粒度的尘粒
10 particles 0. 3μm in size per cubic foot of air10级净化
10 particles 0. 3μm in size per cubic foot of air每立方英尺空气含10颗0.3微米粒度的尘粒
100 particles 0. 3μm in size per cubic foot of air100级净化
100 particles 0. 3μm in size per cubic foot of air每立方英尺空气含100颗0.3微米粒度的尘粒

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