移完架支架后,将各操作手把都打回()位。
参考答案:“零”
---What’s wrong with Sally? ---She was ill. She ______in the rain yesterday.
A.caught
B.has caught
C.is caught
D.was caught
红外线车间应配备生产用仪器、仪表,有线、无线通信设备等专用设备如何管理?