本文研究了无造渣剂等矿石粉的耐磨堆焊电焊条.An overlay welding electrode without mineral powder as, slag forming medium, etc.介绍了用高碳铬铁渣做造渣剂冶炼锰硅合金的生产实践.The practice of smelting ferromanganese silicon with slag of high carbon ferrochrome is intr...
这种甲虫主要吃谷物的胚芽.This beetle eats mainly the germ of the grain.胚芽是生物的最早形式.A germ is the earliest form of a living thing.长寿饮食法的饮食主要是含胚芽和麸的谷物及豆类.Macrobiotics adhere to a diet consisting primarily of whole grains and beans....