Original LITEON PA-1061-81 Industrial Power Adapter 12V single-output AC to DC 60W green adapter 5A No reviews yet Ningbo Dericsson Electronics Co., Ltd.Multispecialty supplier13 yrsCN Previous slideNext slide Previous slideNext slideKey attributes Industry-specific attributes Output Type AC to ...
一次龙卷风发生时.屋外的气压急剧降到0.9×105Pa.当时门窗紧闭.可以认为室内是1标准大气压.约为1×105Pa.屋顶面积是100m2.这时屋顶受到的内外压力差可达1×1061×106N.足以把屋顶掀飞.