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泵吸式乙醛(quan)檢測儀(yi)監(jian)測環境中或密(mi)閉空間中四氟化硅濃度(du)并報警帶自校驗功能，零點標定(ding)功能，使氣(qi)體監(jian)測更準確，更可(ke)靠一鍵恢復出廠設置功能，可(ke)免去(qu)誤操(cao)作的困擾(rao)帶溫(wen)度(du)和壓(ya)(ya)力補償，可(ke)*實現(xian)不同溫(wen)度(du)和壓(ya)(ya)強環境下對氣(qi)體濃度(du)的補償
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