- bulk density
- specific mass gravity
- 比重: proportion
- 毛体积比重: bulk specific gravity
- 松厚密度;体积比重: bulk density
- 集料吸油后毛体积比重: bulk impregnate specific gravity
- 体积比: bulk factor; bulk ratio; ratio by volume; volume ratio; volumetric fraction; volumetric ratio; weigh by volume
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