This article about X-ray in medical applications, and several cases of X-ray machine fault maintenance.
讲述了X射线在医学上的应用，及几例X光机故障维修。
Tube-current is the all-important parameter of the X-ray machine; it affects the reciprocity between the X-ray and the others material.
管电流是X射线机中非常重要的参数，它影响X射线与其它物质的相互作用。
Tube-current is the all-important parameter of the X-ray machine; it affects the reciprocity between the X-ray and the others material.
管电流是X射线机中非常重要的参数，它影响X射线与其它物质的相互作用。
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