马谢尔击实次数
beat time of Marshall test
轻型击实试验法
light-compacting experimental method
土的击实试验探讨
The Study about Compaction Test of Soil
重锤击实
tension weight compaction
重型击实试验法
heavy-compacting experimental method
自动土壤-马歇尔击实仪
automatic soil-Marshall compactor