There was enough room for a nine pin valve socket to accomodate the 12AT7 required, and the power supply suited.
一个九大头针活瓣插座有充足的房间容纳 12 AT7 必需的，而且以电力驱动的补给适合。
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。
Design of compression mold and manufacture methods of power supply plug-in socket are introduced separately. This mold adopts the structure including one cavity per mold.
本文介绍了电源插座压制成形模具的设计与制造方法，该压制模采用一模一腔的结构。
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