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弹(dan)性(xing)(xing)密(mi)封胶(jiao)剪切性(xing)(xing)能(neng)试验箱试验机满(man)足建筑门窗幕墙(qiang)用中空玻璃弹(dan)性(xing)(xing)密(mi)封胶(jiao)-20℃、23℃、60℃、80℃、拉伸粘(zhan)结性(xing)(xing)试验