Seamless steel pipe, senior experts have pointed out that iron ore import qualified awarded can be used to conduct open and transparent manner, such as auction.
资深无缝钢管专家指出，铁矿石进口资质的颁发可用公开透明的方式进行，比如竞拍。
Cold bend welding pipe equipment is indispensable to welding pipe production and cold bend type steel with open or close entrance.
冷弯焊管设备是生产焊管、开口及闭口冷弯型钢必不可少的设备之一。
Most of the steel for line pipe is made by open-hearth, electric furnace, and basic-oxygen processes.
大部分建管道用管子的钢材由平炉、电炉和碱性顶吹转炉生产。
In recent years, The large-scale open-ended steel pipe piles have been more and more widely applied in large scale deep water docks, Sea-Crossing Bridge Projects.
近年来，在大型深水港码头、跨海大桥工程中，大型开口钢管桩已得到越来越广泛的应用。
In recent years, The large-scale open-ended steel pipe piles have been more and more widely applied in large scale deep water docks, Sea-Crossing Bridge Projects.
近年来，在大型深水港码头、跨海大桥工程中，大型开口钢管桩已得到越来越广泛的应用。
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