HG/T 21574  吊耳 SP-51

SP-51832540s0fo)-16rf05r SF5h=65sa-40maRF RS=3F=1r.44mp

lwn150-1500RjSch401s500r/B=420rf1h-0f00R=1

47021 fm450-1.0 sп⌡я≈п═п▀п╙п╩Б√▓п═п

PL150(B)-16 FF B=170RF22.0 δ0=20=15II 10058

BL50(B)-16 RF b=3Kb)-16rf05r SF5h=65sa-