级配碎石应分层摊铺压实。

Macadam should be layered paving compaction.

youdao

填料必须分层摊铺、压实。

Packing must be paved and compacted.

youdao

现在，工程师一致认为合理的路堤施工要求土壤分层摊铺，洒湿或晾干至接近最佳含水量并压实。

Today, engineers agree that proper embankment construction requires that the soil be spread in layers, moistured or dried to something near an optimum moisture content, and compacted.

youdao