The compressed air is converted into expansionforce, to not only replace partial fuel but also reduce the burning and explosion noise.
压缩空气在转化成膨胀力， 替代部分燃料的同时，还能降低燃爆噪声。
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Dialect as a general expansionforce, in recent years the cultural trend, quickly into the movie and television culture field, many works have become manifest dialect specific samples.
This article use fuzzy mathematics to appraise 4 indexs include expansionforce, free expansion ration, liquid limit, plastic limit and establish a fuzzy method to judge the swell-shrink grade.