“ammonia alum”的概念、定义、翻译、参考文献-科学参考

单词	ammonia alum
释义	ammonia alum [ǝ`mōn·yǝ `al·ǝm] See <<ammonium aluminum sulfate>>
随便看	track track adaptation effect track angle trackball track cable track cable scraper track chart track crawling track gage track haulage track homing track hopper tracking tracking beam tracking cross tracking cursor tracking error tracking filter tracking jitter tracking network tracking problem tracking radar tracking station tracking system tracking telescope

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