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...
Marauding gangs of armed men have been looting food relief supplies.持械抢劫团伙一直在四处抢劫救济食品。In the country's largest cities there has been rioting and looting.该国的大城市有暴乱和抢劫发生。The trouble began when gangs began breaking win...