hardfacing什么意思解释？

Orientation control of primary carbide in Fe - Cr - C hardfacing alloys.Fe -Cr-C 耐磨堆焊合金中初生碳化物生长方向的控制.A hardfacing electrode containing boron and various alloy elements has been developed.研制出一种含硼等多种合金元素的耐高温磨损堆焊焊条.Study of...

hardfacing的音标：hardfacing的英式发音音标为：[hɑ:d'feɪsɪŋ]hardfacing的美式发音音标为：[hɑd'feɪsɪŋ]...