be present during electrical testing
...ding and hardness)在现场视察机械试验（强度，弹性，弯曲，及硬度） Be present during electrical testing在现场视察电力试验 Be present during chemical testing在现场视察化学试验 ..
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be present during electrical testing
在电气测试期间在场
以上为机器翻译结果，长、整句建议使用 人工翻译 。