pipe-line spans是什么意思

用法例句

The Development and Actuality of Oil & Gas Pipeline Testing;

油气管道检测技术发展和现状

Comprehensive Application of External Examination Technology for Oil and Gas Pipelines;

油气管道外检测技术的综合应用

Analysis on block of PIG in wax crude oil pipeline;

含蜡原油输送管道清管器卡堵事故原因分析

Modal Analysis of Axial Vibration of Straight Pipes of Hydraulic System;

液压系统管道轴向振动的模态分析

Welding of thick-wall 12Cr1MoVG pipe at low temperature;

厚壁12Cr1MoVG管道在低温环境下的焊接

Numerical simulation of temperature distribution and analysis of effective factor of tracing pipe in heavy oil gathering and transportation;

稠油集输伴热管道轴向温度及伴热效果影响因素分析

Cause of stress corrosion due to wet H_2S in the piping in pressurized shift section in ammonia plant and how to heal with it;

合成氨加压变换管道湿H_2S应力腐蚀原因分析及对策

The Piping Plan of the Vacuum Tower in Daqing Oilfield 3.50MMTA Cdu/Vdu;

大庆油田助剂厂3500kt/a常减压减压塔的管道设计

Applicaion of anodically protected stainless steel acid distributor and piping in a large-scale metallurgical acid plant;

阳极保护不锈钢分酸器及管道在大型冶炼烟气制酸装置中的应用

Shaping Machine for the Tube Groove and Its Application;

管道坡口整形机的技术与应用

Development and application of anodically protected stainless steel tube for transporting concentrated sulphuric acid;

阳极保护浓硫酸不锈钢管道的研制与应用

Discussion on the actuality and some advice on tube direct drinking water in China;

论我国管道直饮水现状及几点建议

2D static analysis of submarine pipelines during pipelaying;

海洋管道铺设时的二维静力分析

Method on damage probability of pipelines under random traffic loads;

管道受随机荷载作用的损伤概率方法初探