单词：industrial chemicals
industrial chemicals的用法和样例：
例句
- Ammonia has been one of the more difficult basic chemicals to synthesize.氨曾是一个较难合成的基本化工原料。
- It is important to adopt appropriate safety measures when exposed to industrial chemicals.当接触化工原料时要采取适当的防护措施。
单词：industrial chemicals 相关文章
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