pin valve rising distance

• 针阀升程

pin valve rising distance的用法和样例：

例句

1. Then as the plug valve is lifted off its seats, any accumulation below the plug or on the seats will be blown back into the line.
   然后，当旋塞阀升离阀座时，任何累积在阀塞或阀座上的吹入物质都将被吹回到管路内。