求翻译：（1）要重视调拱调坡层的施工质量，在该层的施工时，特别要抓好各材料的规格、级配及配合比，确保该层的有效宽度内的平整度和压实度，是保证基层施工质量的基础。是什么意思？

正在翻译，请等待...

( 1) It is necessary to pay attention to raising the level of regulation and slope in the level of quality of construction, construction materials, and in particular to do a good job of the specifications, level than placing and tie in with the level and to ensure that effective within the width of

(1) must take to adjust the arch to adjust the slope level the construction quality, when this level construction, must pay special attention to various materials specially the specification, the gradation and the mixture ratio, guarantees this level in effective width smoothness and compactness, is

正在翻译，请等待...