肇慶道路護欄 庫存1米1.2米道路護欄 深圳甲型護欄價格

Zhaoqing road guardrail inventory 1 meter 1.2 meters road guardrail Shenzhen type a guardrail price

防腐形式:有電鍍、熱鍍、噴塑、浸塑。

Anticorrosion forms: electroplating, hot plating, plastic spraying, dipping.

市政護欄材料；pvc塑鋼，鍍鋅鋼管

Municipal guardrail material; PVC plastic steel, galvanized steel pipe

又能使立柱頂距路緣石頂高度誤差很小。

The height error between the top of column and the top of curb is very small.

當(dāng)樁錘下落到記下的位置時就說明立柱已經(jīng)打到位了。

When the hammer falls to the recorded position, the column is in place.