今年上半年,从检修十多个医疗单位的 B超来看,除尘已成了当务之急。无论是维修人员还是使用人员,在卸开 B 超外壳时,都因内部积尘多而感到吃惊,因此,特提醒用户注意,为保证 B 超的正常运行,必须立即除尘。在检修 B 超时,发现大部分为图像模糊、不稳,少数是电源部分损坏。从仪器内部看,灰 In the first half of this year, from the B-overhaul over a dozen medical units, dust removal has become a top priority. Whether it is maintenance staff or the use of personnel, in the open B super shell, are due to the internal accumulation of dust and more surprised, therefore, remind the user special attention, in order to ensure the normal operation of the B-must be immediately dust. In the overhaul of B, it was found that most of the images were blurred and unstable, and a few were partially damaged by the power supply. From the inside of the instrument, gray