调频片主要用于电视显象管补正dy用。
Modulation sheet is mainly used in adjusting DY of TV picture tube.
他发现电视显象管坏了，他们挑了另一台好的。
He found that the TV tube had broken. They chose another good one.
世界上每7台电视机中就有一台用飞利浦的彩色显象管，而全球60%的电话都含有飞利浦的产品。
One in seven television sets worldwide contains a Philips picture tube, and 60 percent of all telephones contain Philips products.
世界上每7台电视机中就有一台用飞利浦的彩色显象管，而全球60%的电话都含有飞利浦的产品。
One in seven television sets worldwide contains a Philips picture tube, and 60 percent of all telephones contain Philips products.
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