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...
The road climbs steeply for several miles.这条路有几英里向上倾斜得很陡.The road climbs steeply, with good views of Orvieto through the trees.路陡直地向上延伸，透过树木可以清楚地看到奥尔维耶托。He that climbs high falls heavily.爬得越高,摔得越重。There were three modera...