18）结合线（Welding Line）：两束或多束的熔融塑料汇合所产生的可见线条。 19）缩水（Sink Mark）：因塑料凝固或收缩不均而造成表面的缩陷。
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结果表明，喷焊层与基体是冶金结合，结合线清晰。
The result shows that the bond between surfacing weld and base metal is metallurgical bond, and bond line is clear.
大鼠自体血栓结合线栓阻塞大脑中动脉制备脑缺血模型的建立与评价。
Establishment and evaluation of reproduction of middle cerebral artery occlusion to produce cerebral ischemia with autologous blood clot and nylon thread in rat.
待焊表面涂抹专用密封胶后，可形成结合线伸入缺陷，但对接头组织和力学性能影响不大。
Special glue is used on the surface of specimen , forming welding defect, which has little influence on microstructure and mechanical properties of joint.
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