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...
唱歌是一种不错的减压方法。Singing is a nice way of unwinding.你能使用防护罩防止那些地区的减压 吗 ?Can you use the shields to prevent decompression in those sections?方法: 在腹腔镜下经后腹膜行去顶减压术治疗肾囊肿患者9例.Methods: Laparoscopic renal cyst decorbicatiou was perfo...
Stable hemihydrate agglomerates with good filtering properties were obtained.获得具有优良过滤性能的稳定的半水物晶团.There are infiltration center on lava and agglomerates.在熔岩或集块岩上有渗漏中心存在.Bursting bubbles of gas project agglomerates of part...