"A component for showing quantity, preessure or temperature by a pointer or numeric display."what does the above sentence describe?
A.actuator
B.motor
C.gage
D.mask
正确答案是C
"A component for showing quantity, preessure or temperature by a pointer or numeric display."what does the above sentence describe?
A.actuator
B.motor
C.gage
D.mask
正确答案是C