更新时间：2024-09-19 18:34:24
名词 diaphragm:- a mechanical device in a camera that controls size of aperture of the lens
- (anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration
- a contraceptive device consisting of a flexible dome-shaped cup made of rubber or plastic; it is filled with spermicide and fitted over the uterine cervix
- electro-acoustic transducer that vibrates to receive or produce sound waves
- diaphragm nut
- diaphragm pump
- diaphragmalgia
- diaphragm gage
- diaphragm wall
- diaphragm ring
- Diaphragm life
- diaphragm horn
- diaphragm post
- diaphragm arch
- diaphragm
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