发布时间:2025-01-24 16:29:14
通常可以通过两个方法判断镇流器的好坏,一是看外观,如果接线点完好,没有因为发热而变黄或变黑的地方。基本是好的。二是测量电阻,使用万用表测量镇流器的两端,如果阻值不大,而且没有和外壳短接的情况,基本就是好的。
根据《公路工程概预算编制办法》的规定,间接费中的规费计算公式是()
2025-01-24 16:29:14 2025-01-24 16:29:14 2025-01-24 16:29:14 2025-01-24 16:29:14 2025-01-24 16:29:14 2025-01-24 16:29:14 2025-01-24 16:29:14 2025-01-24 16:29:14 2025-01-24 16:29:14 2025-01-24 16:29:14我在广州有二层楼每层200平方的毛坯房装修需要多少费用只用来做公司
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