import factor短语¹⁴⁴⁹⁷²⁺² 基本例句 经进口代理商 Including influence of the section shape, the different water condition between floodplain and channel is another import factor that influents the resistance distribution along river width. 阻力沿河宽分布除河道断面形态影响之外，滩槽水流差异也是不可忽略的。 cnki