This paper describes its design principle and structure, and gives its technical qualifications.
文章给出了它的技术指标、并描述了工作原理及构造。
The technical progress finally depends upon the qualifications of the workers and staff.
技术进步的关键是提高职工素质。
The technical progress finally depends upon the qualifications of the workers and staff.
技术进步的关键是提高职工素质。
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