It further proved that triphosgene replacing the deadly phosgene and diphosgene is feasible.
进一步证明了三
代替剧毒
和双可行
。
(作战用
毒)It further proved that triphosgene replacing the deadly phosgene and diphosgene is feasible.
进一步证明了三代替剧毒和双可行。
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