单词：nitrocotton
nitrocotton的用法和样例：
例句
- Nitrocotton and nitroglycerin are mixed for five minutes to form a relatively thick gel.硝化棉和硝化甘油混合五分钟，形成相当稠的胶。
- guncotton棉火药
- nitrocellulose硝化纤维素
- cellulose nitrate硝酸纤维素
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