The principle of photoswitch: the projector will ju dge and react on the basis of light beam from the projector which is ...
: 电开关工作原理 电开关的原理是根据投器发出的束,被 体阻断或部分反射,受器最终据此作出判 断反应.
The principle of photoswitch: the projector will ju dge and react on the basis of light beam from the projector which is ...
: 电开关工作原理 电开关的原理是根据投器发出的束,被 体阻断或部分反射,受器最终据此作出判 断反应.
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