They provide in-depth technical assistance from small aircraft components and maintenance to regulations.
他们从细小的飞机零配件和维修到规章制度，提供深度的技术支援。
Perform maintenance job according to operation regulations strictly and guarantee the safety during maintenance process;
严格按操作规范开展工作，保证设备维修过程中的安全；
In brief introduce the practical regulations; cautions as well as maintenance of Electronic Balance.
介绍了电子天平的使用规则、注意事项以及维护和保养方面的知识。
In brief introduce the practical regulations; cautions as well as maintenance of Electronic Balance.
介绍了电子天平的使用规则、注意事项以及维护和保养方面的知识。
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