研究了硼砂盐浴渗铬和氯系熔盐渗铬.It was investigated that chromizing in borax salt bath and melting hydrochloride.而且浇注温度越高, 铸渗铬合金层越厚.The higher casting temperature, the thicker castchromized alloy layer.研究了铸铁表面铸渗铬合金层形成过程.The forming pro...
By happy coincidence, Robert met Richard and Julia and discovered they were experiencing similar problems.幸运的是，罗伯特碰巧遇到了理查德和朱莉娅，发现原来他们也碰到了类似的问题。The economy is experiencing an upturn.经济正在好转。Many poor households are experie...
The great magicians of old always invoked their gods with sacrifice.旧时一些有名的巫师经常以祭品祈求他们所供奉神灵的助佑。Before the battle, the commanders ordered the sacrifice of two bullocks to the god of war.打仗之前, 指挥官下令给战神供奉两只小公牛.She had atone...