北京快3

2507SHUANGXIANGGANGXUANSAIFA：YOUJIAO2507CAIZHIXUANSAIFA，ZHENGTI2507SHUANGXIANGGANGZHIZUONAIQIANGSUANFUSHIXINGNENGHAO，SHOUDONGKAIGUAN，FALANLIANJIEXUANSAIFA，PTFERUANMIFENG，YALIPN16~PN25，TONGJINGDN15-DN200，GONGZUOWENDUWEI-29-180℃DELVJIANGONGYE、CHUNJIANGONGYE、ZHIYAOGONGYE、HUAFEIGONGYE、JINGXIHUAGONGYE、FANGZHIXIANWEIHECHENGHEPIAORANGONGYE，JIBENYOUJISUANHEWUJIYANSHENGCHAN，XIAOSUANGONGYEDENG。