1) purging of heat-supply pipeline
供热管道清洗
2) internai cleaning device for water supply pipes
供水管道内部清洗装置
1.
From the view point of probing into physical cleaning methods and ways, this paper has made a detail description about the cleaning purpose of the patented product- the "internai cleaning device for water supply pipes", the advantage of the device, its structure and principles, technical comparison, cases demonstration and topic s direction.
本文从探索物理清洗的方法、途径角度出发,对专利产品“供水管道内部清洗装置” 的清洗目的、装置的优势、结构原理、技术比较及课题方向作了较详尽的阐述;经大量的实践使用案例证明,该装置采用物理清洗的方式,无公害、无损伤、效率高、费用少,对城市管道的清洗、保养有着明显的效果。
3) pipeline cleaning
管道清洗
1.
And the sewage recirculating and purified system in pipeline cleaning process and advantages of cleaning machine were described in partcular.
着重介绍了高压水射流管道清洗过程中,多功能清洗车的组成和应用,污水循环净化及再生使用技术,及多功能清洗车的应用评估等。
2.
At present,the high-pressure water-jet flow cleaning machines were widely used in pipeline cleaning clean in big and medium cities.
目前在我国各大中城市的管道清洗中,高压水射流清洗机或高压水射流清洗车被广泛使用,如何正确选用和使用好这种清洗车,具有很大的经济意义。
5) heat supply pipeline
供热管道
1.
The horizontal directional drilling construction in river crossing section of heat supply pipeline
供热管道过河段水平定向钻进施工
2.
Based upon analysis of the stress and reasons caused the failures of direct-buried heat supply pipeline the major reasons caused the failure of direct-buried heat supply pipeline with larger diameters are elaborated.
对直埋供热管道的应力及失效原因进行了分析,对管径相对较大的直埋供热管道的主要失效方式及原因进行了阐述,并探讨了大管径热网直埋供热管道设计中应注意的问题,对直埋供热管道的设计具有参考价值。
3.
In X-ray test of central heat supply pipeline according to welding seam features of large diameter pipeline related exposure parameters and specifications are proposed for X-ray generator under various pipe diameters in order to control welding quality.
在集中供热管道射线探伤中 ,根据大口径供热管道焊缝的特点 ,提出了应用周向X射线机在不同管径下的曝光参数选择和相关的工艺要求 ,达到控制管道焊缝质量的目的。
6) heat-supply pipeline
供热管道
1.
The change characteristics of stress,thermal displacement and other parameters of directly buried heat-supply pipeline during working temperature circulation change are analyzed.
分析直埋敷设供热管道在工作温度循环变化过程中管道应力、热位移等参数的变化特点。
2.
The construction schemes for trench excavation,bedding cushion installation,buried installation of pipeline,backfilling and reparation of bulkhead in heat-supply pipeline sinking engineering are analyzed, and the technology and quality assurance measures in the construction course are introduced.
分析了供热管道沉管施工中沟槽开挖、垫层铺设、管道埋设及回填与驳岸修复的施工方案,探讨了施工过程的技术、质量保证措施。
补充资料：供水管道长度
指从送水泵至用户水表之间所有管道的长度。不包括新安装尚未使用的管道。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条