以下为句子列表：
英文: Abstract: The general situation of the development of bentonite green sand moulding process and the development of selfsetting sand moulding process with chemical binders was introduced,and some suggestions to the development of moulding sand process was
中文: 文摘:介绍了湿砂型膨润土砂和化学自硬砂两方面对砂型工艺的发展概况，并对福建省型砂工艺的发展提出了一些建议。
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