cast iron water pipe
常见例句
- Graphite cast iron pipes and steel pipes are used for the water supply and distribution pipe network.
输配水管网采用了球墨铸铁管和钢管。 - The company formerly known as North foundry, production and sales of cast iron-type water supply, drainage pipe fittings and cast iron pieces.
公司前身为城北铸造厂，生产销售铸铁类给水、排水管材管件及铸铁件。
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