9.磷化氢ph3是无色剧毒气体沸点 897℃其中含微量p2h4而易自燃其制取原理类似于实验室制氨气现用图9 1装置制取ph3并 Template




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tomski9.磷化氢ph3是无色剧毒气体沸点 897℃其中含微量p2h4而易自燃其制取原理类似于实验室制氨气现用图9 1装置制取ph3并 coloring