loose compaction

例句：

1. 1. The soil was loose andcould easily be compacted by heavy machinery.
   土壤松散，很容易被重型机械压实。
2. 2. In construction, loose compaction can lead to uneven groundwork.
   在建筑中，松散压实可能导致地基不均匀。
3. 3. To preventloose compaction, it's important to properly gradethe soil before compacting.
   为了防止松散压实，在压实之前正确分级土壤是很重要的。