DJ-3 type tray and patent distributor were adopted to replace the original float valve trays without altering the tower shell.

采用DJ - 3型塔盘及DJ - 3型专利技术分布器替换了原浮阀塔板，实现了不动塔体的技术改造。

youdao

DJ-3 type tray and patent distributor were adopted to replace the original float valve trays without altering the tower shell.

采用DJ - 3型塔盘及DJ - 3型专利技术分布器替换了原浮阀塔板，实现了不动塔体的技术改造。

youdao