electric defroster
常见例句
- This paper reviews the maintenance and innovation of the lead shell and tube electric defroster with 146 pipes, as well as its quality control. Its effect in production is also summarized.
回顾146管铅列管型电除雾器的大修技术改造情况及其质量控制要求，总结投入生产后的效果。 返回 electric defroster