Using the centerline access bar , spin the check assembly from the 9 o ' clock position to the 12 o ' clock position , then ( without letting go of the access bar ) push the cam assembly slightly downstream so that the clapper is now parallel to the valve body 用中心线接近棒将止回阀总成从时钟指针9点的位置旋转到12点的位置，然后（不要松开接近棒）将凸轮总成稍微往下游推使得阀瓣与阀体平行。
Issues include centerline mapping t to hole , feature mapping fairways and rough , site clearance , grading to create new topography , drainage , establishment of ts and greens , fairways , landscape structure , turfing , seeding and planting 住宿住宅区其它开发特色讨论调整和改装建造和构建设备供应和配套工程管理顾问规划人员和工程师锁定客户群体和价格定位的市场宣传推广设备管理和教练培训。
The mean profiles of reynolds stresses bear prodigious specialty , i . e . the lateral fluctuations at the centerline are inhibjied strongly and the longitudinal ones have the tendency of growing continuously , which is induced by the special symmetrical vorticity field 雷诺应力分布有很大的特殊性，即轴线的横向应力被强烈地抑制，而纵向应力却有不断变大的趋势，这是由于特殊的对称涡量场结构引起的。
In case of the longitudinal and lateral centerlines of the figure of the loaded car are asymmetric when freights are normally loaded , and considering the allowed shift in the longitudinal and lateral direction , the weight value and position of balances are deduced and an example is given 摘要货物正常装载时，外形轮廓关于负重车纵、横中心线都不对称的情况下，考虑到货物的纵、横向偏移，对配重物的重量及位置进行了推导，并举了实例。
The height of the base shall be sufficient so that the centerline of the suction elbow lines up with the centerline of the suction piping and shall include an allowance for grouting between the concrete base and the pump mounting pedestal in accordance with the pump manufacturer ' s recommendations 根据泵制造商的建议，泵基座应该有足够的高度，使得吸入弯头的中心线能够与吸入管道中心线连接起来，混凝土基座与泵安装基座之间有足够的空间用于灌浆。
Based on the arcobject com library supplied by arcgis , this paper develops network topological analysis functions . including the basic analysis functions and extended analysis functions . the basic analysis functions include the inspecting , supplying electric areas , finding supplying source , analoging the switch ' s off and on , network reconfiguring and automatic inspecting street centerline , etc . the extended functions include the unition of inside and outside of substation and singline in the background , etc 本文实现了基于arcgis提供的com组件库ao开发配电网络的拓扑分析任务。包括巡检、供电半径、追踪电源点、模拟调度、网络重构、街道中心线自动巡视功能等基本拓扑分析任务，还有包括拓扑一体化、单线图浏览功能的扩展拓扑分析任务。
Abstract : approximate methods for calculating aerodynamic heating rates on space shuttles are discussed . various methods are given for predicting the heating rate at axisymmetric stagnation points , general three dimensional stagnationpoints and the leading edge stagnation point of wings . numerous laminar and turbulent heating techniques for flat plates and cones are analyzed and compared . a brief review of some methods is presented to predict heating rate for winward centerline and lateral direction off the symmetry plane . the results show that the methods are simpler and can guarantee enought precision for predicting aerodynamic heating environment of space shuttles 文摘:介绍了国内外预测航天飞机气动加热的工程计算方法.给出了轴对称、非轴对称和机翼前缘等各种外形驻点热流密度的计算，分析和比较了平板、锥体的层流和湍流热流密度计算的各种方法，概述了航天飞机迎风面中心线和离开中心线横向热流密度的计算.计算结果表明，本文方法用在航天飞机气动热环境初步设计中比较简单并且有足够精度
Note 7 - remarks as to the origin may take the form of a boring number and sample number in conjunction with a job number , a geologic stratum , a petrologic horizon or a location description with respect to a permanent monument , a grid system or a station number and offset with respect to a stated centerline and a depth or elevation 注7 -对于原状样的记号可以采用下面的形式,一个钻孔编号和一个样品编号联合一个工作编号,一个地质地层,一个岩石层位或者一个考虑为永久界标的原地描述,一个栅格系统或者一个测站编号和考虑到规定的中心线和深度或海拔的偏移量
This machine consists of bin , vibration chamber , coupling and motor . the vibration chamber is made up of eccentric wheel . rubber soft piece , main shaft and bearing . the adjustable eccentric hammering is transmitted to the centerline of main shaft by motor drive , and produce centrifugal force at unsteady state so as to change the strength of material and form vortex in the sieve . weghted regulator and amplitude can be adjusted as per different material and sieve mesh 本机由料斗、振荡室、联轴器、电机组成，振荡电脑内由偏心轮、橡胶软件、主轴、轴承组成，可调节的偏心重锤经马达驱动传到主轴中心线，在不平衡状态下，产生离心力，使物料强度改变在筛内形成漩涡，重锤调节器和振幅大小可根据不同物料和筛网进行调节。
Abstract : skeleton is a kind of important geometric characteristi c ofchinese character . how to thinning the character of image is the preconditio n for recognition . a new method for thinning character is proposed . the centerline of character contour can be obtained by using the method . experimental results s how that the method is feasible and available 文摘:汉字骨架是汉字的一种重要几何特征，如何对汉字进行细化，是对汉字进行识别的前提.在此提出了一种新的细化汉字方法，它是通过笔划的边缘求出其中心，以笔划中心作为细化的结果.实验证明该方法具有较好的细化结果
