楂???璐ㄨ??纾ㄨ??娌?PDM 涓???姗¤?跺??O????
????澶?绉?瀵?灏?褰㈠?锛?????瀵?灏????ㄦ??瀵?灏? ??????绉??ㄩ??????锛?灏哄???娌?妲介?藉凡??????锛?浜??㈡?у己
EPDM姗¤?跺????纾ㄨ??娌归?叉按O??瀵?灏???
????澶?绉?瀵?灏?褰㈠?锛?????瀵?灏????ㄦ??瀵?灏? ??????绉??ㄩ??????锛?灏哄???娌?妲介?藉凡??????锛?浜??㈡?у己
????澶?绉?瀵?灏?褰㈠?锛?????瀵?灏????ㄦ??瀵?灏? ??????绉??ㄩ??????锛?灏哄???娌?妲介?藉凡??????锛?浜??㈡?у己
????澶?绉?瀵?灏?褰㈠?锛?????瀵?灏????ㄦ??瀵?灏? ??????绉??ㄩ??????锛?灏哄???娌?妲介?藉凡??????锛?浜??㈡?у己
????澶?绉?瀵?灏?褰㈠?锛?????瀵?灏????ㄦ??瀵?灏? ??????绉??ㄩ??????锛?灏哄???娌?妲介?藉凡??????锛?浜??㈡?у己