rough pattern是什么意思

用法例句

The effects on sanding cost, sanding quality and production capability to unsanding panel quality, sander deployment, panel conveyer of sander, dust cleaner system of sander were described.

阐述毛板质量、砂架配置、砂光机进出板辅机和砂光机除尘系统对砂光成本、砂光质量和产能的影响,并提出改进的建议。