Glass fibre reinforced plastic mortar pipe(Centrifugal casting process)is introduced to be as jacking pipe material used in the design and construction of one jack engineering project.
玻璃纤维增强塑料夹砂管（离心浇铸工艺）作为顶管管材运用于顶管工程中的设计、施工介绍。
In the second stage, the whirling of the cylinder with a high velocity produces centrifugal force that helps to form a powerful fountain of water permeating the fibre and remove the dirt.
在第二阶段，同于圆桶以高速旋转，离心力造成有力的水柱穿透衣物纤维并把污渍清除。
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