与"contraction ring"相近的词条

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• contraction phase
• contraction principle
• contraction producing factor
• contraction ratio
• contraction remainder
• contraction ring
• contraction ring dystocia
• contraction ring of uterus
• contraction stage
• contraction stress test
• contraction time
• contraction wave
• contraction without metal
• Contractions
• contractive
• contractive ability of musculus levator ani

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