1) horizontally projected jet bit
水平射流钻头
1.
Aiming at the existing problems of brazing technique for horizontally projected jet bit,the influence of bonding temperature,pressure and time on the quality of the welding seam was investigated by means of vacuum diffusion bonding,and the optimum technological parameters for high-quality welding seam were determined.
针对水平射流钻头钎焊工艺存在的问题,采用真空扩散焊接工艺,研究了焊接温度、焊接压力和焊接时间等工艺参数对焊缝质量的影响,并确定了最佳焊接工艺参数;水压试验表明,用真空扩散焊接制造的水平射流钻头焊缝致密性好,在70 MPa压力下无泄漏。
2.
In allusion to the problems of vacuum diffusion welded jet bits, a technique for manufacturing horizontally projected jet bits by means of vacuum diffusion welding was put forward.
针对水平射流钻头钎焊工艺存在的问题,提出用真空扩散焊接代替钎焊制造水平射流钻头的新工艺。
2) water jet bit
水射流钻头
4) jet drilling bit design
射流钻头设计
5) jet type water course
喷射式钻头水眼
6) horizontal jet
水平射流
1.
The time series of jet penetration depth of horizontal jet in a two dimensional fluidized bed are acquired based upon digital image processing.
利用图像处理技术，得到了二维流化床内水平射流深度的时间序列。
补充资料：大直径牙轮钻头
大直径牙轮钻头
大““钻头篡
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条