???????????????
??????????????
?????????????????8-1240??1-200mm
???????????????????
????
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?????й??????????????淶?????й??????磨CCS??
????????????磨DNV???淶????????????磨DNV??
???????????????磨LR???淶???????????????磨LR??
?????1?????′????磨GL???淶?????1?????′????磨GL??
?????????????磨ABS???淶?????????????磨ABS??
?????????????磨BV???淶?????????????磨BV??
??????????????磨RINA???淶??????????????磨RINA??
????????????磨NK???淶????????????磨NK??
????GB/T5312?????й???????
????
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??????????ù?ˉ??????????????????????????????
????
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????320??360??410??460??490??