The root cause of this deviation is that the biochemical incubator has been running for a long time and the heater has been damaged due to long-term operation, which is an accident.
The root cause of this deviation is the long-term operation of the bio-chemical culture tank, the heater is in working state for a long time and the damage occurs, which is accidental.
The root cause of the deviation is that the biochemical incubator has been running for a long time and the heater has been working for a long time.<br>