与"constant direct current"相近的词条

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• constant depth scan
• constant deviation prism
• constant deviation spectrograph
• constant deviation spectroscope
• constant differentiating character
• constant direct current
• constant distraction
• constant domain
• constant dominant
• constant drainage
• constant drying condition
• constant-energy
• constant-energy beam
• constant erection of penis
• constant error
• constant estrus

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