您要查找的是不是：
- Temperature control means using thyristor surge phase shifter using nitrogen atmosphere furnace used to seal welding, excellent sealing properties. 控温方式采用可控硅移相调压,采用氮气保护气氛,炉体采用全密封焊接,密封性能优良。
- Seat ring is seal welded to eliminate leak path. 阀座环通过焊接密封,消除泄漏通道。
- Seat hardfaced with SS 410 and seal welded. 配置410不锈钢和密封焊接的阀座硬面。
- Usage: suitable for air tight seal welding machine for sound filter, microwave device, transistor, commutate tube, controllable silicon and sensor etc. 用途：适用声表滚波器、微波器件、晶体管、整流管、可控硅、传感器等气密性封焊。
- Parameterized design of adapter welding groove and seal weld has been realized using UG software, and the main factors which affect the welding section areas have been analyzed. 利用UG软件实现了管座焊接坡口及密封焊焊缝的参数化设计，分析了影响管座密封焊焊缝截面积的主要因素。
- By means of our experiments, the feasibility of laser seal welding of aluminium packages was proved.During the process, the causes of pinholes and cracking were discussed. 通过实验证明了铝腔体激光密封焊接的可行性，并对焊接过程中裂缝、气孔的出现原因进行了讨论。
- Usage: suitable for quartz crystal, sound filter, microwave device, transistor, commute tube, sensor, photoelectricity, laser device etc. air tight seal welding. 用途：适用石英晶振、声表滤波器、微波器件、晶体管、整流管、传感器、光电器件、激光器件等气密性封焊。
- Bolted bonnet with seal weld. 密封焊接的螺栓阀帽。
- LASER SEAL WELDING OF ALUMINIUM PACKAGE 铝腔体的激光密封焊接工艺
- Seat Rings: Seat rings are seal welded to eliminate leak path behind rings and for long trouble-free service. 阀座环：阀座环境过密封焊接，可消除环后的泄漏通道，延长无故障工作的寿命。
- Seat Rings: Seat rings are seal welded to eliminate leak path behind rings and for long trouble-free service. The surfaces are precision ground to fit accurately with the disc. 阀座环:阀座环境过密封焊接,可消除环后的泄漏通道,延长无故障工作的寿命。表面经过精密研磨以精确配置阀瓣。
- Cook the meat quickly at first to seal in the juices. 一开始要大火烧肉，以便保存肉汁。
- The putty gives a good seal round the window. 窗户四周泥的油灰密封效果很好。
- Our foil packets seal the flavour in. 我们用锡纸包装以保持原味。
- Analysis of Using Hand Argon Weld Technology to Back Sealing Welding 手工氩弧焊封底焊工艺过程分析
- Some metals weld better than others. 有些金属容易焊，有的不容易焊。
- This document carries the royal seal. 这份文件上盖有王室印章。
- The seal on the bottle has perished. 瓶子的封记已经腐烂。
- Applications : sealed dap for transistors sealing welder, contactor materials for highvoltage swetches and electrodes for spark pcessing etc. 用途：制造晶体管封焊机的封帽、高压开关的触头材料、电火花加工机床的电极等。
- He impressed his seal on the wax. 他在火漆上盖了他的私章。
