2023,2023,122灭火器的化学式分别是?
<p>问题:2023,2023,122灭火器的化学式分别是?<p>答案:↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">黄波的回答:<div class="content-b">网友采纳 1211是二氟一氯一溴甲烷的代号,分子式为CF2C1Br 1301是三氟一溴甲烷的代号,分子式为CF3Br 122是二氟二氯甲烷的代号,分子式为CF2C12
页:
[1]