specimen n disc 样品盘
induction n disc type relay 感应圆盘式继电器
induction n disc wattmeter 感应圆盘瓦特计
drusen n of optic disc 视盘玻璃疣
disc n 唱片
carbon n paper disc 圆形碳纸
protrusion n of intervertebral disc 椎间盘突出
herniation n of lumber disc 腰椎间盘突出症
bobbin n winder tension disc 过线具押线板
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