“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	Strahler-Zhou Shuzhen's climatic classification straight straight angle straight bevel gear straight chain reaction straight circular cone straight drawing straightedge straight edge diffraction straightenable dynamical system straightener straightening straightening law straightening of the angle straightening theorem straightest path straight eyepiece straight fan straight fertilizer straight filament straightforward straightforward calculation straight helicoid straight knife cutting machine straight line

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