However, the alignment of benzene board, the site immediately begins to melt, ca. 2 cm thick benzene board soon break out of a hole, then show open flames and black smoke, releasing a smell smell.
然而,火苗一对准苯板,该部位当即开始熔化,约2厘米厚的苯板很快就破出一个洞,随后显现明火和黑烟,释放出一股烧焦的难闻气味。
This paper introduces the process of prefabricating and installation, technical property for the rock wool sandwich exterior wall board with thermal insulation, fireproof and pressure releasing.
介绍了岩棉夹芯保温耐火泄压外墙板的预制和安装工艺、技术性能;
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