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词汇 hollow needle
释义 hollow needle短语⁸⁴³²⁰⁺
基本例句
空心针
Amniotic fluid is withdrawn from the amniotic sac by syringe after insertion of a hollow needle into the amnion through the abdominal wall and uterine wall.
羊水中有胎儿细胞,可培养以进行分析检测。用穿刺针自孕妇的腹壁穿入胎儿的羊膜腔中,抽取羊水。 cnblogs
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