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Gwajin Leakage DRK139
Na'urar gwajin yoyon fitsari da kamfanin Shandong Derek Instrument Co., Ltd ya samar ya sha kan kansa bisa la'akari da irin kayan aikin kasashen waje, kuma an kara inganta shi.Ya dogara ne akan GB2626-2019 "Kariyar numfashi ta nau'in nau'in tacewa na nau'in anti-particulate respirator" 6.4 Leakage rate, na'urar da aka sake tsarawa da kuma samar da kayan aikin tacewa da aikin tace hayaki na kayan tacewa da aikin tacewa.Yana amfani da masara aerosol janareta da photomet ...
