seamlessadj.持续的;无缝的
seamless technology无缝
seamless projection无缝投影
seamless pipe noise无缝管道噪声
seamless connection无缝连接
Seamless processing无缝处理
seamless steel elbo无缝弯管
seamless drawn tube拉制无缝钢管
seamless pipe joint无缝铜管节点
seamless tube blank管坯
seamless brass tube无缝黄铜管