pin valve

基本解释

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 mould is designed to take advantage of hot runner with the needle-valve type of pin-point gate, having no runner scraps.
该模具采用热流道针阀式点浇口进料，无流道废料；
Technological experimental research for cross wedge rolling technology of pin valve of oil pump has been introduced with problems and relevant solutions during the process.
介绍了油泵油嘴针阀体的楔横轧工艺试验，以及在试验中遇到的问题及解决方法。