自带清灰动力,定时旋转分室喷吹,清灰彻底.Self - powered cleaning to timely cycle to blow out dust completely.确定了高炉提高煤比的技术和操作条件,创造条件逐步实施,在保证喷吹效果的前提下,高炉煤比不断提高.The technology and operational conditions for increasing pulverized coal with incre...
Grafting can join scions with desirable qualities to rootstock that is strong and and insects.嫁接可以使品质优良的接穗接在生命力强而且抗病虫害的砧木上.The aminolignin flocculant was prepared based on calcium lignosulfonate, diethylamine and epichlo...