equalization of pressure造句

This allows for the equalization of pressure between the auditory canal and the pharynx.
The joints use a small duct to the interior of the joint to allow equalization of pressure.
By active muscular contraction of the ileum, and closure of the ileal opening as a result of engorgement, the ileum prevents the backflow of ingesta and the equalization of pressure between jejunum and the base of the cecum.
It's difficult to find equalization of pressure in a sentence. 用equalization of pressure造句挺难的