high-frequency insulation 高频绝缘
power frequency insulation test 工频绝缘试验
low frequency sound insulation 低频隔声
high frequency vibration insulation 高频隔振
frequency insulation
频率绝缘
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Products include respirators, surveillance equipment, radio frequency identification equipment, insulation, weatherproofing materials, cleaning products, mats, and granules for asphalt shingles.
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