规定了型钢国家标准、行业标准的一般构成、条文顺序及典型例句 ，对标准制修订人员有一定指导意义。

Stipulate the general composition, clause order and typical example of shape steel nationl standard and trades standard direct the standarel's drawing up and revising.

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按照电路pcb布线-制板-元件配置-焊接的顺序，依次介绍各个步骤，并对完成的电路进行综合调试。

Routing, PCB production, layout and weld-4 steps of making a circuit are presented in turn, followed by adjusting and trim.

youdao

按照电路pcb布线-制板-元件配置-焊接的顺序，依次介绍各个步骤，并对完成的电路进行综合调试。

Routing, PCB production, layout and weld-4 steps of making a circuit are presented in turn, followed by adjusting and trim.

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