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fetoscope
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fetoscope
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fetoscope
胎儿镜
用直径0.5~2毫米光纤内镜,以套管针从孕妇腹壁穿刺,经子宫壁进入羊膜腔,观察胎儿形体、采集脐血或胎儿组织行活组织检查,以及对胎儿进行宫内治疗的有创检查方法。
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drainage pipe
drainage pipe network
drainage process
drainage protection of pipelines
drainage reception area
drainage sluice
drainage system
drainage system fire fighting
drainage system of hydropower station
drainage system planning in irrigation district
drainage system treatment equipment
drainage therapy
drainage tube
drainage volume standard
drainage water quality standards
drain diffusion
drain ditches in the field
drain [electrode]
drain electrode
drainer
draining of pipeline
draining south and supplementation north method
drain pump house and sump
drain regulating valve
drain valve instrument
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