发布时间:2025-02-01 20:58:09
每个显示器只要是正规牌子后边都会有这个显示器的型号(必须百度一搜就能搜到的),然后就是序列号, 只要后面什么都没有只有一个型号或者只有一牌条码那绝对不行 缺一不可
下面是用1500的比例尺画出的平面图请计算出它的实际面积要过程六年级的急急急
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