日立，路克斯和其他“芯片”二极管主干与芯片盒的接缝容易开裂。
Hitachi, Lucas, and other "chip" diodes are prone to fracture at the junction of the stem to the case of the chip.
虽然这种可能性很小，但二极管故障可能最终导致一小部分裸线与金属盒接触。
Although the possibility is remote3, diode failure4 might eventually cause a small section of bare wire to contact the metal cabinet.
一种教学用演示电路板，由接收机、电池盒、舵机、触碰开关、发射机、舵盒、发光二极管组成。
A teaching demonstration circuit board consists of a receiver, a battery holder, a steering engine, a touch switch, a transmitter, a steering box and light emitting diodes.
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