casing coupling的反义词
1. 套管,缩节：casing 箱,盒,外壳,套 | casing coupling 套管,缩节 | casing tube 套管
2. 套管接箍：casing collar 套管接箍 | casing coupling 套管接箍 | casing cutter 套管内切刀
3. 缩节：cased-muff coupling 刚性联轴器 | casing coupling 缩节 | cathode coupling 阴极耦合
4. 套管接头：套管接箍定位器 casing collar locator | 套管接头 casing coupling | 套管割刀 casing cutter