儋州绿化带铁艺围栏 市政护栏 三亚景区隔离护栏

儋州绿化带铁艺围栏 市政护栏 三亚景区隔离护栏

Danzhou green belt iron fence municipal guardrail Sanya scenic area barrier

打入根立柱时，当打入到立柱顶面至路缘石顶面70cm时。

When driving the first column, when driving to 70cm from the top of column to the top of curb.

在打桩机导杆上记录下桩锤的位置，以后每打一根立柱。

Record the position of the pile hammer on the guide rod of the pile driver, and then drive each column.

当桩锤下落到记下的位置时就说明立柱已经打到位了。

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

厂家定制道路两侧防撞护栏 东莞京式护栏现货

Manufacturer customized crash barriers on both sides of road Dongguan Jingshi guardrail in stock