以下为句子列表：
英文: Abstract: The methods to determine the chrome content of waste liquor of modified two-bath chrome tanning process were studied by chemical analysis.
中文: 文摘:研究了变型二浴法的鞣制废液中，铬含量测定的化学分析方法。
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英文: The feasilility and methods of reducing chrome pollution without chrome tanning was disscussed, thus the environmental protection of leather manufactories can be promoted.
中文: 摘要讨论了取消铬复鞣的可行性及措施，以促进企业的环境保护工作。
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英文: The status, the main problems and their solutions of chrome tanning and chrome-free tanning were reviewed.
中文: 摘要综述了铬鞣及无铬鞣现状；分析了这两类鞣法存在的主要问题及解决问题的方向。
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