陆龙卷中心的地面气压如图7.26所示.The surface pressure at the centre of the tornado is shown in Figure 7.26.水龙卷和冰雹偶有出现, 降雪和陆龙卷则属罕见.Waterspouts and hailstorms occur infrequently , while snow and tornadoes are rare.有足够的力量的话, 你甚至能召唤一道龙卷撕裂...
本公司除供应质优产品外, 另外还经营各种印刷器材如丝网印刷机, 网纱,网框, 菲林, 胶刮,调墨刀等.Other than the above , we also supply Silk Screen Printing Machine , Mesh , Film, Squeegee, Spatulas etc.博物馆空间不是由墙壁来划分的,用的是一面面半透明的纱网, 以增加空气的流通.Spaces are divided not by ...
这就是一根芒刺.That was the insect sting.为了加强电极电晕效果, 提出了用芒刺电极代替栅网电极.In order to strengthen corona effect, arista electrode used as substitute for grid electrode was presented....