In the fabrication of pressure vessels for petrochemical equipments, the key to quality control of stamping of head is the calculation of head blank expanding size and the stamping of the head.
在石油化工设备压力容器制造中，对于整体冲压成形封头的质量控制关键是封头展开下料毛坯直径展开计算和冲压成形环节。
In the fabrication of petrochemical plant (pressure vessel), the keys to quality control of bumped head are the diameter calculation of head blanking and its forming.
在石油化工设备压力容器制造中，对于整体冲压成形封头的质量控制关键是封头展开下料毛坯直径展开计算和冲压成形环节。
The function of the assembling of the injection mol ding screw head is very important for pressure control during molding operations .
对于成型过程的压力控制，注射成型螺杆头组件的作用非常重要。
Factors affecting constant pressure difference control method and advantages and disadvantages of the control plan are analyzed theoretically through pipe system head curve and pump performance curve.
根据管道水力特性曲线与水泵的性能曲线，运用理论分析的方法，对影响末端定压差控制方式的因素和该控制方案的利弊进行了分析。
A support structure used to stabilize the injector head and pressure-control equipment on some offshore, or special onshore, coiled tubing units.
在某些海上挠性管作业机或特殊陆上挠性管作业机上用于使注入头和压力控制设备稳定的支承构架。
Advance in the research of pressure drop computation, pressure measurement and pressure control in extruder head was described.
介绍了挤出机机头中压力的计算方法、测量技术和控制技术的研究进展。
It is made up of generating system of super high-pressure, system of two-dimensional CNC working platform and cutting head, as well as control system.
该切割机是一台经济型数控水射流切割机床，主要包括超高压水射流发生系统、二维数控工作台及切割头系统和控制系统。
The controller, the ink jet head, and the pressure regulating device are in electrical connection to control the ink jet head and the operation of the pressure regulating device.
而控制器系与喷墨头以及压力调整装置电性连接，用以控制喷墨头以及压力调整装置的运作。
The grate will be, at intervals, performed according to the settled time or to the automatic control of pressure head between fore and after-grate.
格栅的运行可按设定的时间间隔运行，也可根据格栅前后水位差自动控制。
The base of the injector head is secured to the wellhead pressure-control equipment by the stripper assembly mounting system.
注入头的底部由环状橡胶芯子固定系统固定于井口压力控制设备。
Aided with computer, the intelligent well control system monitors and the real-time controls are used to control back pressure of the drilling well head.
智能井控系统是应用计算机对钻井井口回压进行监测和实时控制并采用计算机电液比例控制的系统。
Aided with computer, the intelligent well control system monitors and the real-time controls are used to control back pressure of the drilling well head.
智能井控系统是应用计算机对钻井井口回压进行监测和实时控制并采用计算机电液比例控制的系统。
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