throatn.嗓子;喉咙;颈部;嗓音vt.低语;压着嗓子说(唱)
throat band喉革
throat taps喉塞
throat pack咽部填塞物
throat stay喉撑
throat ring填料衬环,喉部环
throat vane喉口形导气片
throat sheet喉板
throat block流液洞挡砖
throat depth焊口有效厚度,焊缝厚度
throat plane喷管临界截面