There was enough room for a nine pinvalve 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。
2
In addition, we suggest some new concepts and consider the effect of the shape of pinvalve and pressure chamber on the atomization of a jet.
此外，笔者提出了若干新的概念和考虑了针阀和压力室形状对射流雾化的影响。
3
Technological experimental research for cross wedge rolling technology of pinvalve of oil pump has been introduced with problems and relevant solutions during the process.