periodical examination meaning in Chinese

定期健康检查

Generally speaking , large hydraulic turbine always rotates fast and the abrasion of the surface of the runner is very serious , so periodical examination and repair are necessary
大型水轮机高速运转，转轮表面气蚀磨损一般都很严重，需要进行定期检修。
In accordance with the laws and administrative regulations , the administrative organ shall conduct periodical examinations on the important equipment and facilities that directly concern the public security , human health and safety of life and property
行政机关根据法律、行政法规的规定，对直接关系公共安全、人身健康、生命财产安全的重要设备、设施进行定期检验。