“vacuum-extraction of the fetus head for midwifery”的概念、定义、翻译、参考文献-科学参考

单词	vacuum-extraction of the fetus head for midwifery
释义	vacuum-extraction of the fetus head for midwifery Encyclopedia 医学助产释 vacuum-extraction of the fetus head for midwifery胎头吸引器助产使用负压吸引器吸住胎头，并通过牵引和旋转使胎头下降的一种助产方法
随便看	topological division ring topological divisor topological divisor of zero topological dual topological duality topological dynamical system topological dynamics topological edge state topological elementary excitation topological embedding topological entanglement topological entropy topological equisingularity topological equivalence topological extension topological fibering topological field topological field theory topological flow topological foliation topological function topological function theory topological functor topological generator topological geometry

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