testing instrument是什么意思 testing instrument怎么读
testing instrument的用法和样例
- If the fiber fails the test, another cable test instrument can be used to indicate where the optical discontinuities occur along the length of the cable link.
假如光纤测试失败，另一缆线试验仪器可使用来指出沿著这缆线链结的长度，哪里是光学不连续发生处。
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