45#?????|45#?????|45#??????е?????
????? 159*20-25-30-35-40-45 ???????????? ???????0635-8884428
????? 168*20-25-30-35-40-45-50 ???????????? ???????0635-8884428
????? 180*20-25-30-35-40-45-50 ???????????? ???????0635-8884428
????? 194*20-25-30-35-40-45-50 ???????????? ???????0635-8884428
????? 203*20-25-30-35-40-45-50 ???????????? ???????0635-8884428
????? 219*20-25-30-35-40-45-50-60???????????? ???????0635-8884428
????? 245*20-25-30-35-40-45-50-60 ???????????? ???????0635-8884428
????? 273*20-25-30-35-40-45-50-60 ???????????? ???????0635-8884428
????? 299*20-25-30-35-40-45-50-60 ???????????? ???????0635-8884428
??????????????
??????????kg/m = (Od - Wt) * Wt * 0.02466 ????Od???? Wt????
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???????????0510-88264321??88223334 ???棺0510-88223334 ?????18921237777
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