This product sirefinedly made of high - quality aluminum lloy material with reasonable framework and elegant profile 该产品选用优质铝合金材料精制而成,结构合理,造型美观,同时引进热打印色带的新技术。
After t hat , a further p roblem i s s tudied o n d amping effect of lead a lloy dampers under ground motions with significant long period contents and ground motions with velocity - pulse 从铅合金的减震效果来讲,在长周期成分丰富的地震动作用下,铅合金减震器的减震效果不如预期的效果好。