Right In the fluid control and shut down and so on, spool orientation is important for the spool valve core and valve.

对于流体的控制和关闭等，阀芯的导向十分重要，阀芯导向用于阀芯和阀座的对中配合。

youdao

Right In the fluid control and shut down and so on, spool orientation is important for the spool valve core and valve seat oriented toward the tie.

对于流体的控制和关闭等，阀芯的导向十分重要，阀芯导向用于阀芯和阀座的对中配合。

youdao

Right In the fluid control and shut down and so on, spool orientation is important for the spool valve core and valve seat oriented toward the tie.

对于流体的控制和关闭等，阀芯的导向十分重要，阀芯导向用于阀芯和阀座的对中配合。

youdao