span pole 中文意思是什麼

span pole 解釋
拉線電桿
  • span : n 1 一?〈手指張開時,拇指尖至小指尖的長度,通常九英寸〉。2 (常有短的涵義的)一段時間;很小的間隔...
  • pole : n 1 棒,桿,竿〈通常為十英尺以上圓桿〉。2 旗竿;釣竿;【運】(撐竿跳的)竿;桅桿;電線桿;(車的...
  1. As the preheater tower span of large scale nsp cement plant is great and the internal stress of single beam and pole is also great, steel structure and reinforced beam / pole be used widely because of their special performance

    摘要近十年來,由於大規模水泥廠窯尾塔架跨度大,單根樑柱的內力大,鋼結構樑柱和鋼管混凝土柱因其特有的性能優勢得到了廣泛的應用。
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