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1·Howerver, I believe I was a losser for the last step of test of written English.

最后一个步骤是英语笔试，总共有三道题目。

2·The results show that the surfactants added and the surface active substances from recovered paper will effect the flotation losser.

结果发现除了一般的浮选条件以外 ，废纸浆中的表面活性剂和来自废纸的表面活性物质与浮选损失有着重要的关系。