I.Ifihan ọja:
Ọja naa ni ipilẹ ayẹwo ati awọn pato iwọn iwọn mẹwa ti awo-aarin, ti o dara fun (0.1 ~ 0.58) ni apapọ awọn pato 10, pẹlu awọn abọ aarin oriṣiriṣi, le ṣe deede si sisanra ayẹwo ayẹwo. Ti a lo jakejado ninu iwe iwe, apoti ati abojuto didara didara ati awọn ile-iṣẹ abojuto ati awọn apa. O jẹ irinse pataki fun idanwo agbara funrare-fun-iwe iwe ati paali.
u No.1 0.100-0.140 mM
u No.2 0.141-0.170 mm
U No.3 0.171-0.200 mm
U No.4 0.201-0.230 mm
U No.5 0.231-0.280 mm
U No.6 0.281-0.320 mm
U No.7 0.321-0.370 mm
U No.8 0.371-0.420 mm
U No.9 0.421-0.500 mm
Emi ko si.12 0.501-0.580 mm