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????????????
?????13916937296
?綽??86-021-66553121
?????Hgd7296
???????????3???·2020??
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??????λ?????? > ????? |
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GRC?????????|TJ????t??|???2000?????? |
???????
???????
?????????SOM????????*????????壬?*??????????
?????????????????500Kg/m???A1??????
???ò????????t???????????????????
??????2910*600*100
??????
??????????*??????????????????????????????8???????
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