self closing造句怎么写

The pump is removable from the frame, and has a self closing valve to block leakage from the tank (140) when removed from the frame.

They argue that narrow-minded and self closing exist together.

Women, do not torture yourself for anyone or anything. For example, no eating, crying, self closing, depression, these are the things that fools do. Of course, sometimes it is necessary to be silly. Life is not always smart.