发布时间:2025-01-23 03:13:51
就是层板不是固定住的,层板的下方,四个角的位置,用了小托钉,把层板托住,可以正常使用,如果空间不够用,就可以把层板拿掉了。加大每层的空间。
学校要装修一间教室教室长10米宽6米高35米要在他的顶棚和四壁要粉刷涂料扣除门窗面积19平方米
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