Through a great number of Pu-Nan experiment datas, the pater put forward to the mixture design method, requirement of aggregate, gradation of mixture for dense graded aggregate base.
本文结合浦南路实测资料，提出了多雨潮湿地区级配碎石的设计指标、材料技术要求、级配范围要求。
The coating agent was prepared by adding PU solution to the appropriate amount of chitosan solution while adjusting the viscosity and then applied to fabrics through transfer coating technique.
采用聚氨酯(PU)树脂溶液添加到适量的壳聚糖溶液中，同时调整粘度至所需涂布的粘度，经转移涂层工艺加工成PU涂层织物。
SPU-Super PU is the latest product whichShanghai LiQiangcompany has invested substantial funds, human and material resources through efforts of one year in developing.
是上海力强公司投入大量资金、人力、物力经过一年的努力研制而成的最新产品。
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