... 刮板输送机的国内外现状 Status of the Scraper Conveyor 双链刮板输送机 double chain conveyor 铸石刮板输送机 stone liner ...
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The effect method of reinforce and maintenance the stone arch bridge is to build liner around the arch bridge down area. That combines the old arch round and the new reinforced concrete together.
在石拱桥拱圈的下部进行衬砌加固，使老石拱桥拱圈与新钢筋混凝土套拱形成整体，共同受力，是一种维修加固石拱桥的简单实用的方法。
The masonry - mortar - stone, which is one of the most ancient construction techniques, is popularly used in the liner of the canal.
浆砌石是最古老的建筑工艺之一，被普遍地应用于渠道衬砌。
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