parallel pipe

study on calculational method of ground settlement induced by level parallel pipe jacking

水平平行顶管引起的地面沉降计算方法研究

application of converted way in near parallel pipe underground

反演法在探测相邻平行地下管线中的应用

screw thread limit gauges for parallel pipe threads

管螺纹器用螺丝限制量规

mechanical analysis of superimposed load introduced by propulsion of adjacent parallel pipe

相邻平行顶管推进引起附加荷载的力学分析

hand-and machine-operated circular screwing dies for parallel pipe threads. g series.

煤气管道圆柱螺纹手用和机用圆螺丝板牙

the no-push compensator for heat supply pipeline is composed of parallel pipe, connecting pipe, sleeve pipe, core pipe and sealing system.

管道变高无推力补偿器涉及一种供热管道变高补偿装置，该装置由并联管、联接管、套管、芯管和密封系统组成。

the meter takes the double wave pipe structure, the two parallel pipe separate fix in "i" bracket.

仪表采用双波纹管结构，即两只波纹管分别安装在“工”字型支架两侧的对称化置上。

hand taps for parallel pipe threads

平行管螺丝手用丝锥

Analysis of site monitoring of ground deformation induced by parallel pipe jacking construction

平行顶管施工引起的地面变形实测分析

screwing dies and dienuts - specification for hand- and machine-operated circular screwing dies for parallel pipe threads; g series

螺丝板牙和螺母状板牙.手用和机器操作平行管螺纹用圆形螺丝板牙规范；G系列

the connecting pipe is welded respectively to parallel pipe and sleeve pipe and the core pipe can slide in sleeve pipe.

联接管分别焊在并联管和套管上，芯管一端套装在套管中并可在其中滑动。

analysis of superimposed load induced by propulsion of adjacent level parallel pipe-jacking

相邻水平平行顶管推进引起的附加荷载分析

circular screwing dies for parallel pipe threads

平行管螺丝用圆形螺丝模具