Let the pressure become stable after each turn of the adjustment screw.
A.调节螺钉转动后,使压力平稳、 B.每次转动调节螺钉后,使压力平稳 C.只要转动调整螺钉后,使压力稳定正确答案B
Let the pressure become stable after each turn of the adjustment screw.
A.调节螺钉转动后,使压力平稳、 B.每次转动调节螺钉后,使压力平稳 C.只要转动调整螺钉后,使压力稳定正确答案B