hegar dilator造句
例句与造句
- Hegar introduced the dilators in 1879 . Hegar dilators are widely used in gynecology to open up the cervix.
- Among the many techniques and instruments he developed were Hegar's sign and Hegar dilators, as well as Hegar's operation, an operation for repairing a ruptured perineum.
- It's difficult to find hegar dilator in a sentence. 用hegar dilator造句挺难的