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...
He dribbled past four defenders.他带球过了4名后卫。The defenders were outnumbered and had to give in.抵抗者寡不敌众,只能投降.After hard fighting, the defenders were still masters of the city.守军经过奋战仍然控制着城市....
Many of Kuwait's spacious freeways were engineered by W S Atkins.科威特有很多宽阔的高速公路是阿特金斯集团设计建造的。He could stand no more and engineered an escape.他无法再忍受，便策划了出逃。They are finely engineered boats.这些船只设计制造精良。...