By taking EPS emulsion as main raw material, a new casting binder of non-coal molding sand was developed. EPS water-borne property by modification is fine, and available for the casting binder.
研究并开发出一种以eps为主要原料的无煤粉型砂粘结剂，实验表明乳化改性后的EPS水溶液性能优良。
The study was carried out on the basis of the analysis of the errors on the recorded material of the English utterance borne out by these transferred teachers.
本研究是通过给六位老师的英语口头表达录音，并对录音进行其错误分析。
The study was carried out on the basis of the analysis of the errors on the recorded material of the English utterance borne out by these transferred teachers.
本研究是通过给六位老师的英语口头表达录音，并对录音进行其错误分析。
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