并可有效地扩大腭咽腔的通气面积，保持软腭的紧张度及咽黏膜的正常功能。
It can effectively expand the velopharyngeal orifice area ventilation, to maintain the tension soft palate and the normal function of pharynx mucosa.
结果表明，塑料薄膜厚度、通气面积、通气孔数量是影响枣果失重的主要因素。
The results showed that, the thickness of film, ventilate area, and number of ventilate hole were important factors of effecting jujube weight loss.
该文针对导弹变深度发射提出通过改变发射装置高压室喷管喉部的通气面积来实现发射动力可调。
The scheme to control launch power is introduced for changeable depth launch of missile. It is to change the aeration area at the nozzle throat of high pressure chamber in launcher.
应用推荐