发布时间:2025-02-06 17:46:53
会。机砖就是最常见的红的那种板砖,因为是机器自动制作的,所以叫机砖,它是以粘土、页岩、煤矸石等为原料经粉碎混合,捏练后以人工或机械压制而成形的,机砖埋土里时间久了会腐化。普通红砖埋地下的话,寿命最少在十几年以上,如果是质量上乘的红砖会更高一些。
激光位移传感器的工作原理及独特性激光位移传感器的工作原理是什么
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