The circuit tester is a simple test instrument which only shows whether the circuit is intact or whether there is a break
英
美
- 电路导通器是一种简单的量测仪表，它只能检查电路的通断状况。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
