• Where possible, leave the wrench on the valve so a quick closing of the valve can be made in the event of an emergency.

    可能的地方扳手留在阀门上,以便在紧急情况下可以迅速关闭阀门。

    youdao

  • The utility model discloses a three-jaw quick joint automatic opening and closing ball valve used for connecting a sprinkling standpipe and a sprinkler.

    实用新型是用于连接喷灌立管和喷头的一个快速接头自动开关球阀

    youdao

  • The utility model discloses a three-jaw quick joint automatic opening and closing ball valve used for connecting a sprinkling standpipe and a sprinkler.

    实用新型是用于连接喷灌立管和喷头的一个快速接头自动开关球阀

    youdao

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