Discusses the problem about the water flow control of primary pipe network when consumers randomly regulate water flow.
探讨了当热水供暖系统用户侧流量随意调节后一次网流量的调控问题。
Into the tail flue of fly ash due to the low temperature, has a certain hardness, so primary heating surface with flue gas exhaust pipe, the wear and tear on the wall.
蒸汽锅炉进入尾部烟道的飞灰由于温度较低，具有一定的硬度，因此随烟气初级受热面排管时，会对管壁产生磨损作用。
Discusses the selection of floor area and heat release per unit floor area for heating pipe laying, and presents some primary Suggestions for project design.
探讨了敷设加热管的地面面积和单位地面面积散热量的选取，提出了初步建议，供设计时参考。
Pre-stressed pipe pile foundation is used in the gymnasium of certain primary school, in which some pile-heads of them are deviated during the course of constructing.
通过对某小学活动馆的预应力管桩基础在施工过程中出现的桩头偏位的情况进行分析与处理，取得了较好的实用效果并得到了一些有益的经验。
Through installing recirculation tube on the mill and shrinking the primary air pipe diameter, the percentage of cool Sir To combustor is reduced by 8. 12%.
在增加磨煤机再循环风管的同时缩小一次风管径，使进入炉膛的冷风量减少了8.12%(总风量)。
The concentration distribution of pulverized coal in primary air pipe is very important for advancing efficiency of boiler.
掌握煤粉锅炉一次风管中煤粉浓度的分布情况，对提高锅炉效率有很重要的意义。
And primary emphasis is on the introduction of construction technique and quality control of wet-pipe spray steel fiber concrete in tunnel project.
重点介绍了隧道湿喷钢纤维混凝土的施工技术与质量控制。
The test results show that it is feasible to shorten the length of guide plate in a primary air pipe duct.
结果表明，缩短一次风管道内导流板的长度是可行的。
The mass and velocity of rock-fall are the primary factors influencing the maximal soil pressure on pipe surface.
落体速度相同时，落体质量对管道变形的影响比冲击作用面积更显著；
The operating situation in the cross pipe primary cooling process for COG is described.
本文对横管初冷器运行前后硫酸铵产量及系统运行情况进行了分析。
The operating situation in the cross pipe primary cooling process for COG is described.
本文对横管初冷器运行前后硫酸铵产量及系统运行情况进行了分析。
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