铸造金属全冠颌面制备磨切的量为()
A.0.3mm
B.0.5mm
C.0.8mm
D.1.5mm
E.2.0mm
参考答案:C
— Which would you like, a cup of coffee or tea?
— Neither, thanks. I ________ drink a glass of water.
A.prefer
B.like
C.would like
D.would rather
为防止和减少油料的各种蒸发损耗,在贮存,收发,保管油料中常采用哪几种措施?