常見例句雙語例句Objective To evaluate the influence of the number of burr holes on the operative result of chronic subdural hematomas.目的分析顱骨鑽孔數(shù)量對(duì)治療慢性硬膜下血腫傚果的影響。All holes, slots, edges and corners should be free of loose burrs and slivers. The allowable height of a burr cannot exceed five percent (5%) of the material thickness.所有孔，縫，邊和角必須沒有毛刺和銳邊。允許的毛刺的高度不能超過材料厚度的5%。 返回 burr holes