发布时间:2025-01-21 00:48:51
分和寸表示钢管的公称通径,这个和MM有对照表,你如果换算的话是算不出来的,比如114的钢管,是四寸的,一英寸是25.4 ,换算出来是101.6,。您在网上找一下,钢管英寸对照表,
请问国际品牌如飞利浦照明ge照明欧司朗等等灯具在国内的贴牌厂家都是哪些啊
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