全口义齿修复,检查架时,发现切针升高而离开切导盘,造成的主要原因为()
A.托蜡收缩
B.托蜡膨胀
C.石膏结固后膨胀
D.石膏调拌过快
E.石膏调拌过稀
参考答案:C
黑车
Is an option-free bond’s price sensitivity positively correlated with the: Bond’s coupon rate Level of market interest rates()①A. No Yes ②B. No No ③C. Yes No
A. ①
B. ②
C. ③