seamless steel elbow 无缝弯管
buy Duplex Steel Elbow 双向钢弯头
seamle steel elbow 无缝弯管
Darbon Steel Elbow 碳钢弯头
Stainless steel elbow 不锈钢弯头
alloy steel elbow 合金钢弯头
x grade steel elbow x70钢级弯管
X70 grade steel elbow X70钢级弯管
A new process of such kind similar to superplastic deformation was proposed and hen put into production of heavy-wall stainless steel elbow successfully.
提出了一种近似超塑变形的扩径推弯成型方法，并成功地用于厚壁不锈钢弯头的生产。
The heat - resisting steel elbow is one of the weak parts of the main vapour piping, the life of which is directly related to the life of entire piping system.
热力钢弯管是主蒸汽管道的薄弱部位之一，其寿命直接关系到整个管道系统寿命。
The steel elbow is used as the base stock for polyethylene coating elbow and no-interface circular polyethylene material is coated to the outside of steel elbow.
聚乙烯涂装弯管以钢质弯管为基材，在钢质弯管的外表面涂装无接口的环状聚乙烯材料。
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