This treatise mainly introduces the equipment and the production technology of cement mortar lining at the inter surface of cast iron pipe and the quality inspection of the products.
主要介绍铸铁管内表面涂衬水泥沙浆的设备、生产工艺及产品的品质检验。
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This treatise mainly introduces the equipment and the production technology of cement mortar-lining at the inter-surface of cast iron pipe and the quality inspection of the products.