该产品阀座设计成具有像弹簧一样的回弹作用而形成双挠性阀座，确保了球体密封的可靠性。
The product is designed to have a seat like a spring rebound effect and the formation of double-flex seat, make sure the ball seal reliability.
该产品阀座设计成具有像弹簧一样的回弹作用而形成双挠性阀座，确保了球体密封的可靠性。
The product is designed to have a seat like a spring rebound effect and the formation of double-flex seat, make sure the ball seal reliability.
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