Our first step is releasing the specifications and mechanical drawings.
第一步是，发布规格说明和机械图纸。
Familiar with mechanical cartography, mechanical technical specifications of product, know electron and electrical theory.
熟悉机械制图，机械产品技术规格，了解电子电器原理。
Familiar with mechanical cartography, mechanical technical specifications of product, know electron and electrical theory.
熟悉机械制图，机械产品技术规格，了解电子电器原理。
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