箱盖上有控温系统，在恒温箱的后部是排水阀及外接电源插座。
The box cover is provided with a temperature control system, in the constant temperature box rear drain valve and an external power supply socket.
箱盖上有控温系统，在恒温箱的后部是排水阀及外接电源插座。
The box cover is provided with a temperature control system, in the constant temperature box rear drain valve and an external power supply socket.
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