移植的腓骨骨块塑形时,可从移植骨块唇侧作两处纵形切开,切至(),以免损伤血管蒂
A.骨皮质
B.骨全层
C.骨内板
D.骨松质
E.骨外板
参考答案:C
标有“PZ220-40”的灯,在额定电压下工作时,通过灯泡的电流是______,灯泡的电阻是______,工作一小时消耗的电能是______度.
Please put some slices of chicken ______ the top _____the bread.[ ]
A. in, of
B. on, of
C. of, in
D. of, on