steel tube tower 钢管塔
single tube cone steel tower 单管圆锥钢塔
three-tube tower 三管塔
conical tube tower 锥筒形塔架
transmission line steel tube tower 钢管组合输电塔
tube-angle combo tower joints 钢管角钢组合塔节点
According to the types of fan unit, the tower tube and installation of the fans were also introduced.
根据风机机组类型，对塔筒和风机的安装也做了介绍。
The tower tube structure is solid and reliable, and can build a beautiful scenery line of preventing wind and sand.
四是塔筒结构坚固可靠，可构筑抗风、防沙亮丽的风景线；
The tower tube structure to prevent counterbalance freefall provides ideal support, to ensure that the load loss protection is on the safe side.
六是塔筒结构为防止平衡重自由落体坠落提供了理想的支撑载体，确保了失载保护的万无一失。
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