With just one intermission, it lasted nearly three hours. Yet it held the stage with mostly sure dramatic pacing in this simple, striking production.
近三个小时的演出之间，只安排一次中场休息，但这部简单又突出的作品仍然在舞台上保持着高度的戏剧冲突性。
Feng Xin: Today you explained three stages of your supervision to me -from raw material, to production and final products. Which stage is most likely to have a problem?
冯欣：您今天跟我介绍了三个环节，从原料到生产过程，到成品。这三个环节一般比较容易出问题的是哪个环节？
A new method, three stage carbonization process, to reclaim gallium from alumna production is introduced.
介绍了一种氧化铝生产流程中回收镓的新方法———三段碳酸化法。
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