特点：以锰为主要合金元素的铝合金,不可热处理强化,耐腐蚀性能好,焊接性能好。塑性好。(接近超铝合金)。Our very hot drinking water extraction carpet cleaning method is especially well-known among the Ames inhabitants. It entails injecting very hot h2o and cleaning solution in to the carpet, then immediately e