求翻译：材料质量的好坏,直接影响半刚性基层的施工质量,尤其是就地采备的粗、细集料。在进行基层施工前至少28d ,应将原材料样品委送到实验室,按规定项目要求进行原材料检测,并将试验结果送交监理工程师认定,严禁一切不合格材料进场使用。是什么意思？

The quality of materials, direct impact on the quality of construction of semi-rigid base, especially the place adopted by the coarse and fine aggregate. During the grass-roots construction at least 28 days should be the raw material samples Committee sent to a laboratory, according to the specified

Quality of the materials, good or bad, and has a direct impact on the quality of the project, semi-rigid grass-roots level, particularly in situ mining rough, broken down by the information available. In a grass-roots before construction raw materials should be at least 28 D, the samples sent to lab

The material quality quality, affects the semi-rigid basic unit directly the construction quality, picks in particular prepares, the fine aggregate thickly.In will carry on before the basic unit construction at least 28d, should deliver raw material sample committee the laboratory, requests accordin

Material quality is good or bad, directly affect the quality of semi-rigid base course construction, especially the local production of coarse and fine aggregate. Before the construction of at least 28D, samples of raw materials should be sent to the laboratory, according to project requirements est