在牙齿长轴线与水平面垂直的情况下,垂直杆与牙冠轴面最突点接触的连线称为()
A.就位道
B.牙长轴
C.牙冠外形高点线
D.支点线
E.导线
参考答案:C
化学醇硫酸钾(包装重10公斤)
—Panasonic plans to lay off 35,000 employees globally within 2 years.
—The cuts _____ 9% of the company’s staff.
A.make up
B.take over
C.hold back
D.come out