发布时间:2025-02-06 16:07:48
铜电阻小,导电好,耐高温!只是价格高!
铝线熔点底,保险都是用的它,。安全起见,最好用铝线。
谁能发一下VRAY常用材质如地板,沙发皮革,陶瓷,清漆,塑料,布料的具体调解常用参数范围,
2025-02-06 16:07:48 2025-02-06 16:07:48 2025-02-06 16:07:48 2025-02-06 16:07:48基础回填土不是要回填到室外地坪标高吗可是地梁标高比室外地坪标高低20公分啊怎么回填
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