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。
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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.