Such foreign material can produce a granulomatous reaction. 這樣的異物可促使肉芽腫形成。
Also, foreign material detecting stopping and alarming function is delivered by using photoelectric and infrared detecting technologies. 應用光電探測紅外線(xiàn)探測技術(shù)，實(shí)現了異物探測自動(dòng)停車(chē)與報警功能。
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