处理时间是保持磷化氢有效浓度的重要因素。
The treatment time is the most important factor to keep the effective concentration of Phosphine.
研究反应温度和气体流量对磷化氢净化效率的影响。
The influence of reaction temperature and gas flow rate on purification efficiency was studied.
研究反应温度和气体流量对磷化氢净化效率的影响。
The influence of reaction temperature and gas flow rate on purification efficiency was studied.
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