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来源Q?a href='http://www.ugur-plastik.com/news/153.html'>http://www.ugur-plastik.com/news/153.html ?发表旉Q?020-12-28
2.pel水的热焊接接头没有问题,且管体破裂,如果试压力W合要求Q则为管子本w?/span>