【摘要】 环境监测仪器由于受环境条件等因素的影响 ,经常会出现各种故障 ,文章对柴油车烟度计检测时表头指针无指示故障进行了系统分析 ,并介绍了维修方法和步骤更多还原

【Abstract】 Due to the factors of the surrounding situations,the environment monitoring apparatuses cowld always break down,This article gives subtle analysis to the non indicating of the diesel engine soot meters’ pointer when the meters are on work,and the introduction of troubleshooting methods and processes更多还原