在伟大领袖毛主席的无产阶级革命路线指引下,我国超声波的研究与应用有了很大的发展。营口仪器厂广大革命职工经过无产阶级文化大革命的战斗洗礼,高举毛泽东思想伟大红旗,发扬了“自力更生”、“艰苦奋斗”的革命精神,试制成功了一种 S—1B 型超声波探伤仪。 Under the guidance of Chairman Mao’s great proletarian revolutionary line of the proletariat, there has been a great development in the research and application of ultrasound in our country. Yingkou Instrument Factory Revolutionary workers through the battle of the proletarian cultural revolution was christened, holding high the great red banner of Mao Zedong Thought, carry forward the “self-reliance,” “hard work,” the revolutionary spirit, successful trial of a S-1B ultrasonic flaw detector.