Positive mechanical thrust drives plug into body seats to ensure tight bi-directional line seal.

积极的机械推力驱动阀塞进入阀体阀座馁，确保紧密双向管路密封。

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Positive mechanical thrust drives plug into body seats to ensure tight bi-directional line seal.

积极的机械推力驱动阀塞进入阀体阀座馁，确保紧密双向管路密封。

youdao