Main pipe Line Hydrostatic Test;
释放主管路水压试验；
It's one of the main machines in the modern pipe mill line and formed section line.
它是现代高频直缝焊管生产线和冷弯型钢生产线的主要设备之一。
Through successful leakage stoppage and cladding of a new compensator, it realized on-line overhaul of a gas main pipe network of the large coke oven.
焦煤主管道鼓型补偿器严重腐蚀泄漏，通过成功堵漏和新补偿器包覆，实现了腐蚀泄漏严重的大型焦炉煤气主管网的不停产在线检修。
Main products: All kinds of plastic pipe extrusion line;
康润公司的主要产品有：各类塑料管道挤出生产线；
Main points and design characteristics of main design parameter, pneumatic, strength and rotor dynamics calculations of centrifugal compressor natural gas pipe line are introduced.
介绍了天然气管线压缩机的主要设计参数、气动方案计算、强度计算、转子动力学计算的要点及机构设计的特点。
The major equipment, process flow, main parameters, overall design scheme and program design of the production line for sand blast both inside and outside the pipe surface are introduced.
介绍了钢管内外表面喷砂除锈生产线的主要设备、工艺流程及主要参数，电气系统总体方案设计和程序设计。
The X grace steel sheet is used as main material for SAW straight weld pipes for pipe line purpose.
X级管线钢板材是生产直缝埋弧焊管的主要原材料。
The invariablenes condition of circle girth of the join-line end of the main pipe was set up and the join-lines on Y-tee to be ellipse was made certain.
建立了圆柱分支管y型三通的主管相贯线处的周长不变的条件，确定了相贯线为椭圆。
A plurality of side barbs are distributed around the central main barb, with every fishing line on every side barb threading a plastic branch pipe of an inside lining steel wire.
在中心主钓周边分布有若干旁钩，旁钩上的鱼线穿套在内衬钢丝的塑料支管内，塑料支管的中部通过连接件固接在基座的下部；
A plurality of side barbs are distributed around the central main barb, with every fishing line on every side barb threading a plastic branch pipe of an inside lining steel wire.
在中心主钓周边分布有若干旁钩，旁钩上的鱼线穿套在内衬钢丝的塑料支管内，塑料支管的中部通过连接件固接在基座的下部；
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