腐蚀介质和介质温度对沟槽腐蚀敏感性系数无显著的影响。
The corrosive solution and test temperature have no apparent effects on the grooving corrosion sensitivity coefficient.
而不连续流线组织的钢板具有较低的沟槽腐蚀敏感性，在焊缝处产生单腐蚀沟槽。
The steel with discontinuous flowline microstructure has lower grooving corrosion susceptibility and only single corrosion groove exists along the welding line.
作者从介质的组成、相组成、流动特性和材质等方面，对沟槽腐蚀的成因进行了讨论分析。
Cause of formation of groove corrosion was analyzed from various aspects such as composition of medium or phase, characterization of flow, quality of material and so on.
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