All pipe lines, valves, and nozzles shall be isolated from the atmosphere by a blank, pipe cap, or plug when not being used.
当不在操作使用时，所有管线、阀门、和喷嘴应用盲板、管帽、或塞子使其和大气隔开。
Pipe manufacturing process consists of the following stages: hot rolling, where blank gets cut, heated and rolled till it becomes of the needed size and form.
管道的制作流程由以下几步组成：热轧，在这一步坯料被切割、加热、轧制直到尺寸和形状达到要求为止。
The pipe blank dimensions and the necking force were calculated. The structure of necking die for the flame pipe was introduced.
确定了缩口次数并计算了管坯尺寸和缩口力。
Drill a hole in the centre of the blank PCB so that the copper pipe is a tight fit in the hole.
在空白电路板的中间钻一个小孔，使得铜管正好紧紧地固定在中间。
The present invention is the production process of steel flange blank, especially of flat flange, butt welded flange and prestressed pipe pile end plate flange.
一种钢法兰毛坯加工工艺，尤其是一种平法兰、对焊法兰、预应力管桩端板法兰毛坯加工工艺。
Pipe manufacturing process consists of the following stages: hot rolling, where blank gets cut, heated and rolled till it becomes of the needed size and form.
管道的制作流程由以下几步组成：热轧，在这一步坯料被切割、加热、轧制直到尺寸和外形达到要求为止。
Welded pipe that bended by hot bending method with a set of specific die and welded by plasma arc welding method was used as tubular blank of SPF.
采用焊管作为管坯 ，焊管弯曲采用专用模具热弯 ，焊接采用等离子弧焊。超塑成形采用多层模结构 ，用模具来控制波形。
Welded pipe that bended by hot bending method with a set of specific die and welded by plasma arc welding method was used as tubular blank of SPF.
采用焊管作为管坯 ，焊管弯曲采用专用模具热弯 ，焊接采用等离子弧焊。超塑成形采用多层模结构 ，用模具来控制波形。
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