示波管由于其品类纷繁,结构互异,因而在测试中要非常谨慎。现将我们多年来遇到的各类废品归纳为如下一些常见类型,并将多年来所采取的措施一并托出以资共同探讨。线弯其测试方法:管子处于额定的工作状态下,在屏上分别显示出略大干或等于管子有效 Because of its variety of oscilloscopes, different structures, so in the test to be very cautious. Now we have all kinds of waste encountered over the years summarized as the following some common types, and the measures taken over the years to put together to discuss. Line bending test method: the pipe is rated working condition, respectively, on the screen showed slightly larger or equal to the effective pipe