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汽车使用一段时间后其轮胎气压会逐渐降低,因此必须适时地充气,为了快速地对汽车轮胎充气,通常我们都要将气门芯从轮胎上取下,然后对其充气。有时由于某种原因,气门芯杆会从中间断开,导致活门座卡在气门管内壁的锥面上。笔者在实际教学中也多次碰上这种情况。开始时曾试着用铁丝去钩,但因卡得太紧而未能奏效。因为气门嘴上有螺纹,所以 也不
After the car is used for a period of time its tire pressure will gradually decrease, so it must be timely inflation, in order to quickly inflate the car tires, usually we have to remove the valve core from the tire, and then inflated. Sometimes for some reason, the valve stem will be disconnected from the middle, resulting in the valve seat stuck in the cone wall of the valve tube. The author often encountered this kind of situation in actual teaching. At first I tried to hook the wire, but it did not work because the card was too tight. Because there are threads on the valve, so no