Due to the cost of equipment from a large, usually do not replace the inappropriate size of the pump.
因起出设备费用大，通常不更换尺寸不合适的泵。
Despite its tiny size it can pump up to 2.5 litres of blood every minute.
虽然它的体积很小，但是它却能够每分钟泵出多达2.5升的血液。
Despite its tiny size it can pump up to 2.5 litres of blood every minute.
虽然它的体积很小，但是它却能够每分钟泵出多达2.5升的血液。
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