天津大学精密测试技术及仪器国家重点实验室
State Key Lab of Precision Measuring Technology and Instruments
tianjin university
旋转压实密实曲线
gyratory compaction densification curve
不密闭的差速器密封
leaking differential seal
LDS
测路基密实度和含水量
Density and Moisture of Roads
超高性能自密实混凝土
ultra-high performance self-compacting concrete
充气膨胀密实法
inflation-densified method