The reamns for the prosperity of small workshop production in the Han Dynasty are analyzed, which are policy adjustments and the progress of production technology.
分析了汉代小作坊生产勃兴的原因:政策调整,生产技术进步。
The status and progress of small batteries production and technology at home and abroad are described.
本文叙述了国内外小型电池生产、技术的现状和发展趋势。
The level of recycling is increasing each year, in step with progress in the technology of zinc production and zinc recycling.
由于锌生产和锌回收的技术的进步,锌的回收水平正在逐年提高。
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