烟度计 meaning in Chinese

opacimeter
smoke meter
smoke telegram
smokemeter

Reflection type smokemeters for automobile diesel engine
汽车柴油机反射型烟度计
Verification regulation of filter - type smokemeters
滤纸式烟度计检定规程
Specification of filter type smokemeter for vehicle with diesel engine
柴油车滤纸式烟度计技术条件
Verification regulation of opacimeters
透射式烟度计检定规程
Physical response time of opacimeter
烟度计物理反应时间

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