发布时间:2025-01-31 05:26:45
单向轴流风机按接线图连接,风机反转,原因是接保险丝的时候误将线头接反了,这样就会反转,再将线头调过来接一次就可以了。接保险丝的时候误将线头接反了,这样就会反转,再将线头调过来接一次就可以了。
请问波形护栏安装费多少钱一米请问高速道路上安装护栏打圆孔打多深
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