(单选题)抖法的操作要求是 A、振动幅度要大,频率要快B、振动幅度要大,频率要慢C、振动幅度要小,频率要慢D、振动幅度要小,频率要快E、振动幅度大小交替,频率要慢 发布时间:2024-07-30 10:42:09