Laser beams can be used to bore metals and other hard materials.

admin2013-10-24 46

问题 Laser beams can be used to bore metals and other hard materials.

选项 A、trim
B、melt
C、drill
D、slice

答案C

解析

转载请注明原文地址:https://kaotiyun.com/show/8OFd777K

职称英语综合类B级

相关试题推荐

随机试题

最新回复(0)