Electric shock and head, strength, vibration frequency is high, up to 25000 times per minute.

电动式(可选气动)震动刀枪头，力量强劲，震动频率高，每分钟可达25000次。

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Methods 25 patients who had foreign body inside the digestive tract but the X-ray exploration was negative, were exarnined with ultrasonic inspection with high and Iow frequency detecting head.

方法对25例有明确异物吞入史，但X线探查为阴性的患者，运用超声高、低频探头对可疑部位进行探查定位。

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Therefore we have the mouth of the head in high frequency KU below when it's raining, so there would be rain shower our KU head of the plastic cover.

从而使我们的KU高频头的口在下面，这样在下雨时也就不会出现雨水打淋我们的Ku头上的塑料盖。

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