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double insulation
双重绝缘
由基本绝缘(又称工作绝缘)和附加绝缘(又称保护绝缘)两者构成的一种电击防护措施。
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under-water cinematography
underwater communication
underwater concrete
underwater connection technology
underwater contactless connection
underwater control system
underwater cutting
underwater electric distribution system
underwater energy-saving management technology
underwater exlposive injury
underwater explosion
underwater fiber lighting
underwater fluorescence detection
underwater foundation bed dumping fill survey
underwater foundation bed leveling survey
underwater foundation trench construction survey
underwater foundation trench excavation measure
underwater gamma-ray survey
underwater gas separator
underwater glider
underwater grabber
underwater gravimeter
underwater hunting
underwater hyperspectral imaging technology
underwater imaging
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更新时间:2026/11/8 21:27:16