英语语法分析

It was investigated that chromizing in borax salt bath and melting hydrochloride.

研究了硼砂盐浴渗铬和氯系熔盐渗铬。

Plasma chromizing was achieved on Q235 steel and 45 steel surface and formed high chrome layer.

采用双层辉光等离子渗金属技术先在Q235钢和45钢表面渗入元素铬，形成高铬合金层；

Under controlling technique factors, we have produced high quality chromizing cast-infiltration layer.

通过控制工艺因素，在铸铁件表面获得了质量完好的铸渗层。