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Q345qC?????????????????????
50*2200*8000+ 32??
60*2200*7000+ 75??
50*4030*555+ 98??
70*2200*9500+ 32??
80*2200*8000+ 56??
Q345qC????????????????????
???б????????45#??50#??,45#??50#?????????????????????,??Щ????????????????.???????????????,?????????2.0MM,2.5MM,3.0 MM,4.0MM,5.0MM,6.0MM,10MM,12MM,16MM,20MM,30MM???.???10MM???????????1260??,10MM?????2000????2200??
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