【Register in the Electrical Automation Section】For infrared beam linear smoke detectors, the length of their detection area should not exceed (...
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For infrared beam linear smoke detectors, the length of their detection area should not exceed ( ) meters; for cable-type heat detection fire detectors, the length of their detection area should not exceed ( ) meters. A.100 B.80 C.200 D.150 Registered Chemical Engineers – Experience Sharing under the “Learning from Others’ Experiences” initiative: http://bbs.hcbbs.com/forum.php?m ... ;extra=#pid18683001 Special section for registered engineers: Posts related to recruitment of management personnel and technical teams: http://bbs.hcbbs.com/forum.php?m ... ;extra=#pid18665097
For infrared beam linear smoke detectors, the length of their detection area should not exceed (A.100) meters; for cable-type heat detection fire detectors, the length of their detection area should not exceed (C.200) meters.