In hospitals and laboratories, X-ray technicians stand out of the range of the radiation. When radium is used, lead shields protect workers from the rays.
在医院和实验室，x光技术员离开辐射范围。使用镭的时候，铅制隔墙保护工作人员不接触射线。
Technicians can date paint from its chemical composition, for example, or X-ray a canvas to reveal what lies below the surface.
例如，技术人员可以通过其化学成分分析其创作日期，或者对一幅画做X光透视，揭示其表面下有什么。
Describes the malfunctions and troubleshooting measures of high voltage unit of oral panorama X-ray apparatus for reference to the technicians of medical equipment.
介绍了口腔全景X线机高压单元发生故障的表现及分析、处理方法。
Describes the malfunctions and troubleshooting measures of high voltage unit of oral panorama X-ray apparatus for reference to the technicians of medical equipment.
介绍了口腔全景X线机高压单元发生故障的表现及分析、处理方法。
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