为了保证无缝线路轨道的使用寿命及确保行车安全，对于无缝线路技术的研究显得越发重要。
In order to guarantee the safety and stability of high-speed train, the study of continuous welded rail (CWR) tracks has become more and more important.
国内无缝钢管生产企业一般都配备有相应的钢管自动探伤设备以保证产品的出厂质量。
At present domestic seamless steel tube makers are in general equipped with relevant automatic NDT systems to ensure the ex-works quality of the products.
高品质不锈钢的管道阀门，无缝焊接的连接口，以保证绝对的气体密闭性和管道系统的耐用性。
High quality stainless pipe valve and seamless welded joint can ensure absolutely air conurbation and durability of pipe system.
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