One designer has printed part of a satellite that's been launched into space.
一位设计人员打印这是被发射到太空卫星的一部分。
Printed Circuit Board (PCB) is the most important part of the MCU application system.
印刷电路板pcb是单片机应用系统的核心部分。
Printed Circuit Board (PCB) is the most important part of the MCU application system.
印刷电路板pcb是单片机应用系统的核心部分。
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