当阀体分开时， 弹性阀体阀座的 边缘应该朝向阀门内径弯曲。
The end flaps of the elastomeric seat should be flexed downward toward the valve I. D. as the body halves are being separated.
当阀体分开时， 弹性阀体阀座的 边缘应该朝向阀门内径弯曲。
The end flaps of the elastomeric seat should be flexed downward toward the valve I. D. as the body halves are being separated.
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