要面向我国环保部门、车管部门等行政管理部门机动车尾气监测，已形成BDH

要面向我国环保部门、车管部门等行政管理部门机动车尾气监测，已形成BDH系列机动车尾气遥测仪和BLH系列机动车尾气不透光烟度遥测仪两大系列产品

結果 (中文) 2:

To face our country environmental protection departments, authorities and other administrative departments of motor vehicle exhaust monitoring, has developed BDH series motor vehicle tail gas telemetry and BLH series motor vehicle exhaust smoke opacity of telemetry seismic instrument, two series of products