-
Automatic filter paper-type smoke meter for diesel vehicles free of tobacco smoke accelerate the state measurement.
全自动滤纸式烟度计，用于柴油车自由加速状态下排烟的烟度测量。
youdao
-
Automatic filter paper-type smoke meter for diesel vehicles free of tobacco smoke accelerate the state measurement.
全自动滤纸式烟度计，用于柴油车自由加速状态下排烟的烟度测量。
youdao