单词	borehole core
释义	borehole core 钻孔岩心
随便看	ultrasonic-frequency power supply ultrasonic frequency pulsed arc ultrasonic frequency range ultrasonic frequency reception ultrasonic frequency response model ultrasonic-frequency rotory generator ultrasonic friction welding ultrasonic frightening equipment ultrasonic f-scan ultrasonic fuel oil treatment unit ultrasonic fusion joining ultrasonic fuze ultrasonic gage ultrasonic gap-measurement ultrasonic gas atomization ultrasonic gas bubble detector ultrasonic gas cavity ultrasonic gas flowmeter ultrasonic gauge Ultrasonic gear-honing ultrasonic gear lapping ultrasonic generator ultra sonic generator ultrasonic grader ultrasonic grating