释义 |
py·ro·sul·fu·ric acid 英ˌpaɪərəʊsʌlˈfjʊərɪk美ˌpaɪrosʌlˈfjʊrɪkAHDpī'rō-sŭl-fy‹rʹĭk 短语¹⁰⁶¹⁰⁰⁺⁵ 基本例句 焦硫酸 An explosion accident was occurred at a welder was welding on a pyrosulfuric acid storage pitcher. At this paper, this accident is analysed and the protective measures are put forward. 某焊工在对一焦硫酸贮罐施焊时,发生了爆炸事故,本文对这一事故进行了分析,并提出了预防措施。 cnki |