1. They will cause the speaker diaphragm to vibrate. 它们将引起扬声器薄膜振动。
2. However, if you train your diaphragm to push down. 不过如果你训练自己把横隔膜往下压。
3. As upstream pressure decreases under the diaphragm, the spring pushes the stem/seat towards the closed position restricting flow through the pilot. 当隔膜下的上游压力降低时，弹簧就将阀杆/阀座反推向关闭位置，限制流体通过引导装置。
英英解释
n.
1. a mechanical device in a camera that controls size of aperture of the lens
2. (anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respirat
3. a contraceptive device consisting of a flexible dome-shaped cup made of rubber or plastic; it is fil
4. electro-acoustic transducer that vibrates to receive or produce sound waves
