For surfacing welding on cold die and cutting tool.冷冲模及切削刀具的堆焊.The Research of the Microstructure of the Co - Cr - W Alloy Plasma Surfacing.Co -Cr-W 系等离子弧堆焊合金层显微结构的研究.To protective material used in surfacing and finishin...
Hitchhiking effects also play a role in experiments with marker genes.附加效应在以标记基因作试验中也是起作用的.You’re opening the door to trouble by hitchhiking.沿途搭车会滋生事端。She decided hitchhiking was her best method of escape.她认定搭便车是自己最好的逃跑方...