ultrasonic sewing的相关资料：
临近单词
ultrasonic NDE
ultrasonic
ultrasonic diagnostic system
ultrasonic atomizer apparatus
ultrasonic gap -measurement
ultrasonic stress measurement
ultrasonic Doppler transducer
ultrasonic cleaning condition
ultrasonic chemistry-method
ultrasonic wave strengthening
ultrasonic elliptic vibration
ultrasonic combined machining
