The decal doesn't adhere to the window.这种印花胶纸粘不到窗子上.The contribution entitles you to a reflective decal.因为你的捐助我们授予你这个闪光的标签.If applicable, remove the cover from face of decal.如果可行, 从贴纸表面拆下覆盖物....
介绍了一种在凝胶体系中用扩散法制备草酸亚铁的结晶方法.A diffusion method for the preparation of ferrous oxalate in a gel system was presented.实验结果表明:添加有氯化亚铁的细水雾,其灭火性能发生了显著变化.This paper presents an experimental study of fire suppression effectivene...