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一、管材介绍及工程概况玻璃纤维增强热固性树脂夹砂管(下面简称玻璃夹砂管)是20世纪90年代引进的一种新型管材。它采用了夹砂缠绕技
First, the pipe introduction and engineering overview Glass fiber reinforced thermosetting resin sand pipe (hereinafter referred to as glass sand pipe) is the 20th century, 90 introduced a new type of pipe. It uses a winding sand winding technology