Since the day when it was put into production, there has been a special transverse stripe defect on the surface of the stainless steel strip produced by the company.
该轧机投产后所生产的不锈钢带表面存在一种特殊的横向条纹缺陷，严重影响带钢的外观质量。
A special resistance cultivar grown and spread solely in a certain area to control wheat stripe rust will cause the original resistance invalidation rapidly.
选用专化抗性品种人为地单一扩大其种植面积以防治小麦条锈病，将迅速导致品种的专化抗性失效。
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