发布时间:2025-02-01 10:40:09
电缆套官的型号与电缆截面相关,也与成品外径.
一般来说,电缆的截面不得大于电缆套管的内截面40%.
电缆的截面=成品外径的平方*0.7854.
电缆套官的内截面=内径的平方*0.7854.
我家住一楼,很潮。现重新装修:打掉地板砖至地基找平层,架空20cm、装模板、浇筑混凝土;砸掉墙皮做防水。
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