This technical process is simple, carburization is stable, application is widely.利用石墨煤增碳的炼钢技术,工艺简单可行, 增碳稳定, 应用广泛.Carburization of molten iron in the dropping zone of BF has been studied.高炉铁水渗碳的主要阶段在滴落带,炉缸内的渗碳过程不会掩盖滴落带的渗碳...
Automates the process text stamping multiple PDF files.自动化的过程中的案文冲压多个PDF文件.Cold working strain phosphating includes drawbench phosphating, cold extrusion phosphating and cold stamping phosphating.冷加变形磷化主要包括拉丝磷化 、 冷挤磷化、冷冲...
The repulsive force within the nucleus is enormous.核子内部的斥力是巨大的。the nucleus of a cell细胞核These paintings will form the nucleus of a new collection.这些画将构成新的收藏系列的基础。...