... Items/Weak String 弱线绳 Items/Shaped Iron 形铁 Items/Limestone 石灰岩（混凝土原料） ...
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实物台架试验表明，细小多边形铁素体组织的钢板具有更高的疲劳性能。
Saddle test also shows that the steel plate with fine and polygonal ferrite structure possesses long fatigue life.
以多边形铁素体为主的管线钢的强度不符合西气东输二线管道工程的技术要求。
However, X80 pipeline steel with PF as main morphology does not meet the specifications of the Second West-East Gas pipeline Project.
天花板上垂下来一支粗糙的枝形铁吊灯，仿佛是从某个中世纪古堡中拯救出来一般。
From the ceiling hung a brutal wrought iron chandelier, like something salvaged from a medieval castle.
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