临床行下颌下区手术时,切口应在()
A.下颌骨下缘下5Omm
B.下颌骨下缘下25mm
C.下颌骨下缘下15mm
D.下颌骨下缘下5mm
E.紧贴下颌骨下缘处
参考答案:C
After graduation from college, he began to wander from city to city,______a suitable job.
[ ]
A. hunting for
B. getting to
C. looking after
D. bringing up
什么是水乳型SBS改性沥青防水涂料?