In this paper, the series of the pressure grade of the steel reinforced plasticspipe and the surface processing technique of the special steel wire for the newframework are discussed.
本课题主要研究内容是研究钢骨架塑料复合管管道压力等级的系列化以及新型骨架专用钢丝的表面处理技术，通过构建理论模型，模拟计算复合构造的管体强度，并根据分析模拟结果，确定钢骨架钢丝的网格间距、钢丝直径及强度类型等，从而提高管道的承压能力，提高压力等级以便拓宽产品应用领域。
In order to satisfy the natural gas supply requirement of distributed energy supply system, the article expatiates on the feasibility of high level pressure gas network to city center downtown and lower level pressure area by the system, and then put forward estimation method of pumping.
为满足分布式供能系统对天然气的供应要求,文章论述了高级别压力天然气管网进入市中心城区和由较低压力区域管网抽气供应分布式供能系统的可行性,提出了抽气的估算方法。
"Pressure Rating to 250 PSI, Vacuum to 28"Mercury"
压力等级为250PSI,真空下为28英寸汞柱。
Depth of groove or female is0.19 in. on all sizes and classes.
所有通径和压力等级的槽法兰或内法兰的深度是0.19英寸。
Bonnet Joint– joint design varies with ANSI class rating.
(1) 阀盖连接-ANSI压力等级不同，连接结构也有所不同。
4. Selecting the type of expansion joint according to nominal diameter, pressure class and compensation amount.
4、根据通径、压力等级及补偿量选择波膨胀节的型号。
Research on the Pressure Grade Series of the Steel Reinforced Plastics Pipe and New Steel Wire;
钢骨架塑料复合管压力等级系列化及新型骨架钢丝研究
GIS-based Study on the Grades of Population Pressure in the Different Physiognomy Subregions--A Case Study in Yan an Region;
基于GIS的不同地貌类型区人口压力等级研究——以延安市为例
External insulation pollution classes of high-voltage electric power equipments
GB/T5582-1993高压电力设备外绝缘污秽等级
Pressure-temperature ratings for steel pipe flanges
GB/T9131-1988钢制管法兰压力温度等级
apply force, pressure, heat, etc
用力、 压力、 热力等
Research on Voltage Class of Power System to Be Connected with Electrified Railways
电气化铁路接入电力系统的电压等级问题
The fuzzy comprehensive evaluation of the class of safety condition for pressure piping
压力管道安全状况等级的模糊综合评判
2. The ASCS is a hierarchical model.
2、青少年压力应对结构具有一定的等级性。
Stressors among emergency nurses in tertially-A hospitals
三级甲等医院急诊科护士压力源的研究
Voltage Level Design for Electric Power System in Development of Offshore Oil Field
海上油气田工程电力系统电压等级的选取
A-weighted equivalent continuous sound pressure leve
Ａ加权等效连续声压级
The insulation class F or class H . The insulation of open-loop U/f condition of . structure has the adaptability to high carrie frequency voltage supplied by frequency converter .
电动机的绝缘等级为F级或H级，绝缘结构具有对变频器输出高载波频率电压的适应能力。
Valves shall be manufactured from dezincification resistant brass or bronze rated 240 psi at 250 f.
阀门材质应该是抗失锌现象的黄铜或青铜,压力－温度等级为121℃,240 psi。
Research on Voltage Level of Traction Power Supply SubStation Injected into Power System and Its Simulation;
牵引变电站接入电力系统的电压等级及其系统仿真研究