Simultaneity lateral cavity and bottomcavity are linked each other, which prevent cavitation damage of sidewalls and soleplates.
侧空腔畅通并直接和底空腔相连,对侧墙和底板都起到了很好的保护。
2
If oil got into the production pipe from the bottom, then barriers that would have impeded its flow up the cavity around that pipe would have made little difference.
For atypical renal cyst, a careful exploration for bottom of cyst cavity in operation is helpful to prevent misdiagnosing duplicated kidney complicated with hydronephrosis as large renal cyst.