发动机喷管喉道
throat───n.喉咙；嗓子，嗓音；窄路；vt.开沟于；用喉音说
motor───vi.乘汽车；n.发动机，马达；汽车；adj.汽车的；机动的；vt.以汽车载运
enjodeep throat───恩珠深喉
score throat───割喉
deep throat───n.<深喉>，一部七二年出品的色情电影; “深喉”=告密者；内幕消息来源，内部检举人
cobblestone throat───鹅卵石喉咙
carburetor throat───化油器喉管
throat sore───咽喉痛
clears throat───清喉；清晰的嗓音
The motor case is a steel cylinder closed tight at one end. the other end is the open throat and nozzle.───发动机壳体为一个其一端为密封的钢铸圆柱缸体，另一端则为敞口的喉道及喷管。
Results show that pintle could change the nozzle throat area and thus the motor pressure and thrust, which provided the capability for thrust control.───结果显示喉栓能够有效改变发动机燃烧室压力和推力，满足发动机推力控制要求。
erosive property and principle of copper-infiltrated graphite as solid rocket motor(SRM) throat insert and tailpipe nozzle bushing are presented.───介绍了石墨渗铜材料作为固体火箭发动机（SRM）喉衬与长尾管衬套的烧蚀特性和机理。