It points out that it has both ecnomical effect and social effect to produce cast iron pipe with cement mortar lining with bitumen coating and this product is welcome by the market.
英
美
- 鑄鐵管內襯水泥外涂瀝青是當前生產(chǎn)輸水鑄鐵管最現實(shí)有效和經(jīng)濟的防腐方法,產(chǎn)品受到市場(chǎng)歡迎;生產(chǎn)水泥內襯鑄鐵管具有良好的經(jīng)濟效益和社會(huì )效益,切實(shí)可行。
