plant maintenance
英
美
- 工厂维持费
双语例句
- The applicant for a patent for invention shall pay the application maintenance fee for all the years,with the exception of the year in which the patent right is granted.
发明专利申请人应当一并缴纳各个年度的申请维持费，授予专利权的当年不包括在内。 - He took a course to learn about car maintenance.
他学习了汽车保养的课程。 - The machinery requires constant maintenance.
这些机器需要经常保养维修。
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