与"permanent frozen layer"相近的词条

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• permanent filling
• permanent fixation
• permanent form
• permanent form of corset
• permanent form of junctional reciprocating tachycardia
• permanent frozen layer
• permanent functional prosthesis
• Permanent gastrostomy
• permanent germ
• permanent grass land
• permanent hairwaving preparation
• permanent handicap
• permanent hard water
• permanent hardness
• permanent hearing defect
• permanent hearing threshold level

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