NB/T 47023  法兰 FM 450-4.0

23 FM 450-4.0/

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2 RF 650-1.6/a-1.0F0-

BL 80-16 RF16rf0

3 t 600-2.5 –Α–ü―²¬ï–¹–Α–ü―²¬ï¬î–Α–ë

PL 19-150 RF0/45frf

SOP FF 10K 65A0040s0A-1&

3 CRF 900-1’آ·ذ¨ر‍ذ’

PL100