compaction rate造句

Controlling precision of compaction rate
型砂紧实率控制精度
Testing precision of compaction rate
型砂紧实率检测精度
Testing range of compaction rate
型砂紧实率检测范围
This instrument is suitable for measuring compaction rate , green compression strength , temperature difference between room temperature and sand temperature ; controlling automatically and making sand keep good integrated capacity when mixing green sand
本仪器主要用于混制湿型砂时，在线自动检测型砂的紧实率，湿压强度，室温-砂温差等性能，并自动控制，使型砂保持良好的综合性能。
It's difficult to find compaction rate in a sentence. 用compaction rate造句挺难的