与"variable delay line"相近的词条

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• variable coupler
• variable coupling intervals
• variable deceleration
• variable decelerations
• variable-delay coincidence
• variable delay line
• variable-delivery pump
• variable density filtering
• variable density sign
• variable density thin light pipe
• variable-density track
• variable depth dose
• variable depth sonar
• variable dilution sampling
• variable-discharge turbine
• variable-displacement device

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