The processing capacity of the holes in pipe is about 40% of the processing capacity of the boiler drum and collecting header in boiler fabrication.

工业锅炉制造中管孔加工量约占锅筒集箱工作量的40%，操作者失误即可能造成该锅筒报废。

youdao

The processing capacity of the holes in pipe is about 40% of the processing capacity of the boiler drum and collecting header in boiler fabrication.

工业锅炉制造中管孔加工量约占锅筒集箱工作量的40%，操作者失误即可能造成该锅筒报废。

youdao