The last topic to discuss in this chapter before going into economic optimization of column design is how to determine the diameter and length of the vessel.
在进入塔设计的经济优化方案之前，是本章讨论的最后一个话题，那就是如何决定塔器的直径和长度。
The paper introduced the principle and methods of supporting combined the slit wedge bolt in small diameter with steel reinforcement in roadway with compound roof, and obtained economic effects.
介绍了回采巷道复合顶板条件下采用小直径管缝式锚杆加钢筋梯式组合网支护的原理、方法和取得的经济效果。
Meanwhile, the economic flow rate, optimum diameter and economic insulating layer thickness of the equipment and pipeline have been obtained with the model, which provide a basis for pipeline design.
该模型将同时得到经济流速、设备及管道最佳直径和经济保温厚度，可作为管道工艺设计的基础；
While the grinding allowance of inner diameter, inner raceway outer diameter and outer raceway was reduced, the quality and the economic effect were increased.
通过在内径、内滚道、外径、外滚道等工序上减少留量，提高了质量和经济效益。
The Newton iteration method is used to solve the economic pressure on the unknown node, so as to calculate the economic head loss and economic pipe diameter of each section,.
采用牛顿迭代法来求解各未知节点的经济水压，进而得出各管段的经济水头损失、经济管径和水源二级泵站的经济扬程。
Final design scheme is confirmed after economic and technical analyse. Then, axial fan 's stage type, impeller diameter, hub ratio , specific speed and the number of blades are decided.
在进行经济技术性分析后，最终确定风机的设计方案，进而确定通风机适当的级型式、叶轮尺寸、轮毂比、转速和叶片数等基本参数。
Mathematical model is constructed by hydraulic analysis to evaluate the most economic pipeline diameter parameter.
通过水力学分析建立数学模型，求解最经济的管径参数。
Understanding the interaction mechanism between the soil and a quay wall composed of large-diameter bottomless cylinders is vital to the safe and economic design of the quay wall.
认识土与沉入式无底大直径圆筒结构岸壁码头之间相互作用机制，对于它的安全和经济设计至关重要。
Understanding the interaction mechanism between the soil and a quay wall composed of large-diameter bottomless cylinders is vital to the safe and economic design of the quay wall.
认识土与沉入式无底大直径圆筒结构岸壁码头之间相互作用机制，对于它的安全和经济设计至关重要。
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