Tool for pressing - gliding pillars - straight pillars with end locking and locking ring 冲压工具.滑动导柱.端部锁定直导柱和锁定环
Spring lock ring 弹性锁圈
Aerospace series - studs , in titanium alloy ti - p64001 , with serrated locking ring in corrosion resisting steel - design standard 航空航天系列.钛合金ti - p64001制带锯齿型锁环的耐腐钢螺柱.设计标准
Aerospace series - pipe coupling 8 30 ' in titanium alloy - adapters , reduced pipe end , with locking ring ; german and english version en 3248 : 2001 航空航天系列.钛合金管联接器8 30 ’ .带锁紧环的缩径
Aerospace series - studs , in titanium alloy ti - p64001 , with serrated locking ring in corrosion resisting steel - installation and removal procedure 航空航天系列.钛合金ti - p64001制带锯齿型锁环的耐腐钢螺柱.安装和拆卸程序
The seat , disc and pivot pins are combined into one subassembly secured to the inlet side of the body with a locking ring in sizes 3 " and smaller 阀座，阀瓣和枢轴销构成一个分总成，采用尺寸3英寸或更小的锁环固定在阀体进口一侧。
Turn the brass memory lock ring until the aluminum memory ring stop contacts the step on the valve stem . do not overtighten . finger - tight pressure is sufficient 旋转黄铜记忆锁环直到铝记忆环停止接触阀杆上的台阶为止。不要过紧。手指旋紧压力已经足够了。
Wire sealing body : when all contacts are mated locking ring inside wire sealing body may lock each wire tightly to prevent external flexure to damage wire and protect it protect it from dust , liquid and harmful gas leaking radically into connector 封线体当所有的接触件到位后，封线体内的夹紧环可将每根导线牢牢地夹持住，以防止外界的挠曲损伤导线和防止外界的灰尘、液体有害气体侵入。
Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper , carried on intact summing up to the data in the system , having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram , give solution that many pieces of sdram works togetherses of realizing heavy capacity , designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus , optimize back end state machine design and urge procedure making with lower , giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices , due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal , method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo 本文首先对数字减影血管造影( dsa )成像系统的组成结构和数据流向进行了深入研究和分析，并对系统中的数据流向进行了完整的归纳和总结，给出了x线数字成像系统中的高速大容量数据通道的设计方案；在对sdram的控制方式做了深入探讨后，给出了实现大容量多条sdram共同工作的解决方案，在此基础上设计了大容量帧存板实现对图象数据进行高速存储；通过对pci总线接口的深入研究，优化后端状态机设计和低层驱动程序开发，给出了完整的pci接口方案实现高速dma数据传输，完全可以满足视频传输要求；深入研究了基于大规模可编程器件的数字系统设计方法，针对通用fifo使能信号漂移、输出数据难于建立和保持等设计难点，提出了利用fpga中的锁相环提供多个时钟相移的信号来提高系统稳定性的解决方案，从而实现利用fifo来协调系统各模块之间的数据高速传输。
