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1.目的按X射线机使用特性来说,在冷态时,便携式X射线机的管灯丝必须预热5min;高压连续工作时间不能超沸5min;两次高压启动之间,其休息时间也应有5m
1. Purpose According to the characteristics of X-ray machine, in cold state, the portable X-ray tube filament must be preheated 5min; high-pressure continuous working time can not be over-boiling 5min; between two high-pressure start, the rest should also be There are 5m