The principle of photoswitch: the projector will ju dge and react on the basis of light beam from the projector which is ...
摘要: 光电开关工 光电开关的是根据投光器发出的光束,被 体阻断或部分射,受光器最终据此出判 断.
The principle of photoswitch: the projector will ju dge and react on the basis of light beam from the projector which is ...
摘要: 光电开关工 光电开关的是根据投光器发出的光束,被 体阻断或部分射,受光器最终据此出判 断.
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