The Spring Road bridge Replacement Project in Central Pennsylvania replaced a deteriorating 188-foot steelplate bridge, originally constructed in 1930.
宾夕法尼亚州中部的斯普林路大桥更换项目取代了最初在1930年建成，日益恶化的188英尺长钢板桥。
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Experimental research has been made on clamping constraint of two pieces steelplatespring for automobiles.
对汽车用两片钢板弹簧的紧固约束进行了试验研究。
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Stainless steel, carbon steel, alloy steel, springsteel, Aluminum alloy, copper plate, Aluminum plate, gold, silver, Titanium, other metal plates and metal pipes.