单项选择题
A.4℃B.14℃C.20℃D.25℃
A.0.5x TBE BufferB.1x TBE BufferC.0.5x TAE BufferD.1x TAE Buffer
A.主机电源、蠕动泵、冷却泵B.主机电源、冷却泵、蠕动泵C.蠕动泵、主机电源、冷却泵D.冷却泵、主机电源、蠕动泵