co-twin control同对双生对照
co-twin twin brothers孪生兄弟
co-rotating twin screw同向旋转双螺杆
Hemorrhage into co-twin出血流入双胎之另一胎儿
Co-rotating twin screw extruder双螺杆挤出机;同向旋转双螺杆挤出机
intermeshing co-rotating twin screw extrusion同向旋转双螺杆挤塑
intermashing co-rotating twin-screw啮合同向旋转双螺杆
co-rotating twin-screw extruders平行同向双螺杆挤出机