WindowsXP控制面板的颜色选项() ["只能改变桌面的颜色","只能改变桌面和窗口边框的颜色","只能改变桌面,窗口和对话框的颜色","能改变许多屏幕元素的颜色"]
制作格板包装箱要求木板间留有一定的空格,空格宽度以()为宜。 ["20-100m","40-140mm","30-130m","30~150mm"]
如何理解治安管理手段的特征?
供给侧结构性改革“三去一降一补”中的“降”是指什么?() ["降能耗","降产能","降成本","降库存"]
全淹没式高倍数泡沫灭火系统和局部应用式高倍数泡沫灭火系统,自接到火灾信号至开始喷放泡沫的延时不宜超过()。 ["30s","1min","3min","5mi"]
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