每次转动调节螺钉后,使压力稳定。
A.Let the pressure become stable before each turn of the adjustment screw. B.Let the pressure become stable after each removal of the adjustment screw. C.Let the pressure become stable after each turn of the adjustment screw.正确答案C
每次转动调节螺钉后,使压力稳定。
A.Let the pressure become stable before each turn of the adjustment screw. B.Let the pressure become stable after each removal of the adjustment screw. C.Let the pressure become stable after each turn of the adjustment screw.正确答案C
