cage pocket diameter 保持架兜孔直径
l Pocket Diameter 型腔直径
fillet diameter of pocket 柳口袋的直径 ; 口袋里的圆角直径
two-diameter pocket 两径线羊水池
two-diameter amniotic fluid pocket 两径线羊水池
ball pocket center diameter 球兜中心径
Executive Diameter Pocket Measuring Tapes 行政直径口袋测量磁带
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