“计算机辅助制造”的英文缩写是______。
参考答案：CAM
磁粉探伤用的磁粉在载液中的沉降速度越快越好
The Web Browser is a simple program that enables a computer to__ (71)__ and view pages on the Web.
A．downfall
B．downgrade
C．downward
D．download
