2020-09-06|
Post by: shelleysaulsbury
衬里旋塞阀 X343F46
X343F46衬里旋塞阀是用带通孔的塞体作启闭件，塞体随阀杆转动，以实现启闭动作的阀门。旋塞阀启闭迅速、流体阻 […]