标 准 编 号:BS EN 14870-2-2004简体中文标题:石油和天然气工业.管道运输系统的吸入管弯头、配件和法兰.配件繁体中文标题:石油和天然气工业.管道咻斝到y的吸入管弯头、配件和法兰.配件English Name:Petroleum and natural gas industries - Induction bends, fittings and flanges for pipeline transportation systems - Part 2: Fittings