与"heavy echo pattern"相近的词条

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• heavy duty detergent
• heavy-duty out-off wheel
• heavy duty rectifier
• heavy-duty suction unit
• heavy duty x-ray tube
• heavy echo pattern
• heavy elastic support
• heavy electron
• heavy element
• heavy element radioactive material electromagnetic separator
• heavy element target
• heavy (element)target
• heavy evil
• heavy exercise
• heavy exertion
• heavy exposure

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