百分表每次使用完毕后，必须将测量杆擦净，涂上油脂放入盒内保管。( )
参考答案：错
颌面部骨折复位的顺序为（）。
A.从下向上，从内向外
B.从下向上，从外向内
C.从上向下，从内向外
D.从上向下，从外向内
E.以上都不正确
The purpose of a bilge well is to（）.
A.afford access to the shell through the double bottoms
B.collect water to be pumped out
C.provide access for the pneumercator
D.provide a base line for sounding measurements
