水泥杆
- 网络Concrete pole; steel reinforced concrete pole
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水泥杆
Concrete pole
http://www.ptsgi.com/chinese... ... "水冷变压器"," Water-cooled transformer" "水泥杆"," Concrete pole" "水垢"," Scale" ...
steel reinforced concrete pole
... * 水泥杆 steel reinforced concrete pole 18.116 档 span 18.117 ...
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