seamlessadj.持续的;无缝的
seamless shell crown无缝壳冠
seamless rolled tube无缝轧制钢管
seamless embeddement无缝隙嵌入
SeamlessGas Cylinder大容积钢制无缝气瓶
seamless rib machine无缝罗纹圆袜机
seamless supervision无缝隙监管
seamless copper tube无缝紫铜管
seamless steel elbow无缝弯管
seamless copper pipe无缝铜管
seamless copper band无缝铜带环