发布时间:2025-02-05 23:59:41
如果够空间不需要卸窗户,一条绳子工作员的安全,另一条绳子吊空调外机。如果外墙没有落脚后,工作员会在墙上打两个孔加站架,另收费多点。
请问如何判断用电器短路和电源短路最好是有图给我讲不然不能理解电路图与实物图该怎么连
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