患者,女,缺失上设计正型卡环,其卡环臂末端进入基牙倒凹的长度为全臂长的()
A.1/5
B.1/4
C.1/3
D.1/2
E.2/5
参考答案:C
In her 1 , he couldn't do anything 2 . [ ]
1. A. hope
B. eyes
C. head
D. beliefs
2. A. wrong
B. great
C. good
D. strange
逆向物流能够为企业及其供应链带来经济价值和环境效益。