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本期刊登六篇,前三篇为活塞式氧(氦)气压缩机,后三篇为液氧泵。“赴日制氧机检查技术小结”至下期结束。——本刊编者
The current issue of six articles, the first three for the piston oxygen (helium) gas compressor, the latter three for the liquid oxygen pump. “Japan oxygen inspection technology summary” to the next period. - Our editor