词汇	light gathering optics
释义	light gathering optics 聚光器
随便看	torque axis torque backup torque balance torque-balance torque balance accelerometer torque balance converter torque-balance converter torque balance device torque-balance device torque balance, flight direction control torque balance loop of gyro torque balancer torque balance, ring balance torque balance system torque-balance system torque-balance telemeter torque balance transmitter torque-balance transmitter torque balance type telemeter torque balancing device torque ball torque beam torque bending pliers torque-biasing full-time four-wheel drive torque bimorph