careless manipulation

• 操作不慎

careless manipulation的用法和样例：

例句

1. The wet stroke of vegetable freezers caused by careless operation can affect production, and even cause the damage of compressors.
   摘要速冻装置在运行过程中，如果操作不慎就容易引起湿行程事故，影响生产的正常进行，严重时还导致制冷压缩机的损坏。