楔式闸阀利用楔式密封面密封，可通过手轮加载调节密封面贴合的紧密度。

Wedge gate valve take advantage of wedge style dense cover seal up, Can by hand wheel plus carry regulate dense cover paste equal to tightness degree.

youdao

楔式闸阀利用楔式密封面密封，可通过手轮加载调节密封面贴合的紧密度。

Wedge gate valve take advantage of wedge style dense cover seal up, Can by hand wheel plus carry regulate dense cover paste equal to tightness degree.

youdao