请申明管线的现场试验以及冲刷（吹净）要领。

Please explain the method of field test and flushing(blowing off )of the pipelines.

youdao

请申明管线的现场试验以及冲刷（吹净）要领。

Please explain the method of field test and flushing(blowing off )of the pipelines.

youdao