片语
optical smokemeter[环境]
filter type smokemeter[环境]
art-flow smokemeter部分流式烟度计
end-of-line smokemeter[环境]
pacity smokemeter[仪]
diesel automobile smokemeter柴油车烟度计
opacimeter暗度计;烟度计;光密度计;不透明度仪
auto smokemeter全自动烟度计
full flow opacity smokemeter全流消光式烟度计
photocell type smokemeter光电烟色表