陶瓷内衬复合钢管与钢管、磨合金铸管、铁管和铸石管比较，相对重量轻，便于运输和安装。
The ceramic-lined steel composite pipes are lighter than alloy pipes, cast iron pipes, and cast stone pipes, which reduces the expense of transportation and makes the pipes easier to install.
陶瓷内衬复合钢管与钢管、磨合金铸管、铁管和铸石管比较，相对重量轻，便于运输和安装。
The ceramic-lined steel composite pipes are lighter than alloy pipes, cast iron pipes, and cast stone pipes, which reduces the expense of transportation and makes the pipes easier to install.
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