求翻译：2、工作前应均匀放入空离心管，将机器以最高转速运行1~2分钟，发现无异常情况才可工作。是什么意思？

2, even before the work into an empty tube, the machine will run at maximum speed of 1 to 2 minutes, and found no abnormalities before work.

2, the former should be evenly distributed, and will be placed in the empty centrifuge tube machine with the highest speed running 1~ 2 minutes, and found no abnormality can work.

2nd, before the work should put in the spatial centrifuge tube evenly, moves 1~2 minutes the machine by the highest rotational speed, discovered does not have the unusual situation only then to be possible to work.

2, the work should be even before into the centrifuge tube, a machine running at top speed 1-2 minutes and found no abnormalities before they can work.