An automatic topdressing system was designed on the base of the principle of hydrokinetics using energy of static pressure for pipe irrigation and the feature of Venturi pipe in solar greenhouse.
依据流体动力学原理，利用日光温室管网灌溉的静压能和文丘里管的特性，设计出在日光温室正常灌溉情况下的自动施肥系统。
The limit load of a defective cylinder is a very important input in a structural integrity assessment of a pressure vessel or pipe using R6 type procedure.
在使用R 6方法的压力容器和管道结构完整性评估过程中，含缺陷圆筒的极限载荷是一个非常重要的输入参量。
Using the dynamic Finite Element Method, the dynamic soil pressure distribution along the pipe periphery and the free vibration characteristics of the pipe are studied in this paper.
本文通过动力有限单元法对管周围土压力的动力作用分布和管子的自振特性进行了某些探讨。
By using the special ram-extruder, the temperature and pressure in the extrusion course can be ensured and the pipe of high quality and low cost can be obtained.
使用专用的柱塞挤出机，保障挤出过程中所需的温度和压力，可以得到高性价比的管材产品。
Using numerical simulation software, with setting different gas pressure in pipe, the pressure loss coefficient of inner-cone flowmeter was simulated.
利用数值模拟软件，通过改变管道内气体的压力，对内锥流量传感器的压力损失系数进行模拟研究。
Using the method of top pressure and out soil promoted a comprehensive rectifying deviation to the structure, and using of steel pipe pile method reinforced the base of the tower.
建于深厚软土上的某铁塔因基础周边不均匀填土后产生了严重的不均匀沉降，经采用顶压法和掏土法对构筑物进行综合促沉纠偏，同时采用钢管桩法加固处理，实践表明效果良好。
The flow parameters, included distributions of two phase velocities, particle volume fraction and the pressure along the pipe etc. , can been obtained by using this method.
利用此法可以求得包括两相速度、颗粒容积宁和压力等沿管道的分布的流动参数。
It easy to occur defect on the back of bead in pressure pipe TIG welding, which can be solved by using the anti, direction wire feeding method successfully.
压力管道TIG焊在焊接中焊道背部易出现缺陷，用反向送丝的方法成功地解决了这一问题。
By using the surge pressure calculating method, in this paper the formulas have been derived which are used to calculate the maximum allowable velocity in pulling and running pipe in borehole.
本文根据波动压力计算方法推导出了最大许用起钻速度和下钻速度的计算公式。
The stress distribution of a curved pipe with an initial elliptic cross section under internal pressure was studied by using electric resistance strain method.
采用电阻应变测量技术研究了带有初始随圆度的弯管在纯内压作用下的应力分布。
Using hydraulic model, the writers studied the process and pattern of sediment deposit in high pressure water conveyance pipe of Wanjiazhai YRDP (Yellow River Diversion Project).
作者采用模型试验方法研究了万家寨引黄工程高压输水管道中泥沙的淤积过程、形态，分析了临界不淤流速及管道淤堵等问题。
This paper analyzed the application case of the components such as anti-backflow equipment or air-pressure tank that using in the pipe network add-pressure water supply equipment.
本文对管网叠压供水设备中的倒流防止器和气压罐等器件的应用情况进行分析。
Pressure water supply equipment using the compressibility of air, water pumps used directly in the water supply system, set up a water pipe network and pumps connected to the pressure tank.
气压供水设备利用空气的可压缩性，在用水泵直接供水的系统中，设置了一个与水泵供水管网相连接的气压罐。
Pressure water supply equipment using the compressibility of air, water pumps used directly in the water supply system, set up a water pipe network and pumps connected to the pressure tank.
气压供水设备利用空气的可压缩性，在用水泵直接供水的系统中，设置了一个与水泵供水管网相连接的气压罐。
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