Conversely, test made in full - scale boilers are usually difficult to reconcile.与此相反, 在工业规模的锅炉内所做的试验,也难于互相一致.Most boilers have a lifespan of 15 to 20 years.绝大多数锅炉有15至20年的使用期限。The clean coal is sent to a crusher and the ...
Most boilers have a lifespan of 15 to 20 years.绝大多数锅炉有15至20年的使用期限。The clean coal is sent to a crusher and the boilers.干净的煤送入破碎机和锅炉.Conversely, test made in full - scale boilers are usually difficult to reconcile.与此相反, 在工...