graded crushed stone base course
graded crushed stone base course
分级碎石基层
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Combining the construction practice of Fokai Express Highway, it introduces the measures and experience of construction quality control for the graded crushed - stone base course of flexible pavement.
结合佛开高速公路施工实践，介绍柔性路面级配碎石底基层施工质量控制的做法和经验。
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