The house takes over of black fog, have a dissimilarity already and before, become just as the shape of tornado.
屋子顶上的黑雾,已和之前有所不同,变成了一如龙卷风的模样。
Flames flickered in the morning mist, and black smoke was slowly expanding in the opaque fog.
火焰在晨雾中闪烁着,黑烟还慢慢地在浊雾中扩散。
The black inactivating film is homogeneous, and the inactivated coating, test shows, has a no red rust period longer than 1000 hr in neutral salt fog.
所获得的黑色钝化膜外观均匀,镀层钝化后经中性盐雾试验(连续喷雾)出现红锈(基体腐蚀)的时间大于1000小时。
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