three-dimensional compaction

例句：

1. 1.The three-dimensional compaction of the soil is crucial for plant growth.
   土壤的三维压实对植物生长至关重要。
2. 2.The engineer used a three-dimensional compaction technique to improve the stability of the foundation.
   工程师使用三维压实技术来提高地基的稳定性。
3. 3. During construction, it's important to ensure proper three-dimensional compaction to prevent settlement and cracking.
   在施工过程中，确保适当的三维压实以防止沉降和裂缝是很重要的。