infrared gas density meters 红外线气体浓度感测器
Oscillation-type density meters 振荡式密度计 ; 振荡型密度计 ; 摆动式密度计
Density meters utilizing ionizing radiation 电离辐射密度计
Moistures & Density Meters 水分计及比重计
The second grade stancard densitometers are the most ideal meters for the job-deternining the density of liquids-in the laboratories of scientific research institute.
对研究室、化验室在测定液体密度时，使用二等标准密度计较为相宜。
Step4 section: Venus atmospheric density is very high and the pressure equivalent to 3000 meters underwater pressure.
第四段：金星大气层密度非常之高，造成的压力相当于3000米海底压强。
The 3,000,000 square meters building groups are mainly villas. Even the garden houses are designed with low-density pattern and high quality.
项目三百万平方米建筑群以别墅产品居多，即使洋房也是低密度建筑格局并拥有类别墅建筑品质。
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