什么叫内外轮廓_什么叫内外轮廓

HuadengHydropowerappliesfor"aconstructionmethodofself-containedconcretesteelpipeandundergroundwaterdiversiontunnel".Theinventiondisclosesaconstructionmethodofself-containedconcretesteelpipeandundergroundwaterdiversiontunnel,anditsmaincomponentscanbeprefabricatedonland,andthenquicklyinstallitunderground,usesteelpipesastheinnerandoutercontours,anduselarge-grainstonesandself-containedconcretetofilltheinnerandoutercontourgaps.Byreducingtheamountofsteelpipes,itreducestheprojectcost,ensurestheanti-seepageeffectoftheproject,simplifiestheconstructiontechnology,andimprovesconstructionefficiency. 。 thisArticleComesfromjin...

1、什么叫内外轮廓固定术

2、内外轮廓图

yongyicointapplicationnumberiscn202323134480.4，theauthorizationdateisaugust27,2024 ，aninnerpipeandaliftingmechanism和theoutercontouroftheinnerandouterpipesisoblong...

3、什么是内轮廓和外轮廓

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4、内外轮廓怎么区分

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5、内外轮廓线是什么

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