Invalid pump operation is often disturbance caused by sound level measurement and indicator diagram for diagnosis.
无效的泵运转常是气干扰造成的，可通过声波液面测量和示功图进行诊断。
2
Conclusion: the therapeutic efficiency of this method in the treatment of gastrointestinal disturbance after abdominal operation is apparent and safe.
结论：本方法治疗腹部手术后胃肠道功能紊乱疗效显著，临床应用安全。
3
Invasive operation, disturbance of consciousness, underlying diseases heavy and unreasonable application of antibiotics are risk factors for nosocomial infection.