photoelement〔名词〕光电管,光电元件详细»
photoelement〔名词〕光电管,阻当层光电池详细»
photoelement〔名词〕光电管详细»
photoelement〔名词〕光电管(阻当层光电池)详细»
photoelement〔名词〕光电管,光电管,光电元件详细»
光电管photocell;photoelectric cell;phototube详细»
光电管electric eye;photoelectric cell;photoelectric tube;photoresistance cell;phototube详细»
光电管electric cell;photocell;photoelectric tube;photoelement;photosensitive cell;phototube;photovalve详细»
光电管photoelectric cell;photoelectric tube;photoelement;photoemissive cell;photoemissive tube;phototube详细»
光电管photoelectric cell;photoelectric tube;photoelectriccell;photoelement;phototube详细»