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...
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...