submarine pipe aligning rig 水下管道对准装置
X60 submarine pipe X60级海管
submarine pipe line 水底管线
HSL450S for submarine pipe 海管用HSL450S钢
submarine pipe-aligning rig 海底管线矫直定位机
Submarine Pipe Route Inspection 海底管线路由检测
submarine pipe line west bank 海底油管
submarine pipe status inspection 海底管线状态检测
submarine pipe in pipe system 海底双层油气管线
Based on signal detection theory, the real-time leakage detection problem of submarine pipeline was discussed, by means of the observed series of mass flow difference of pipe.
针对海底管道泄漏监测问题，基于信号检测原理分析了受噪声干扰的流量差观测序列。
Then the pipe system becomes the main noise resource of quite submarine, when propeller noise, hydrodynamic noise and machinery noise of facility base are controlled effectively.
指出螺旋桨噪声、水动力噪声和设备机座机械噪声被有效抑制后，管道系统便成为“安静型”潜艇的主要噪声源。
The grade X65 pipeline steel used for LSAW submarine line pipe has been developed at Baosteel, which is produced by hot continuum rolling processing.
宝钢开发以热连轧方式生产用于制造直缝埋弧焊管的海底管线用x 65级管线钢板，其产品具有高强度、高韧性和良好的焊接性等综合性能。
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