joint sealers是什么意思

用法例句

Experimental study on joint sealant elastic recovery of airport concrete pavement;

机场混凝土道面封缝材料弹性恢复特性试验研究

In order to improve the waterproof performance of airport pavement by fatigue loading method,the property of joint sealant was evaluated,the effects of joint width,tension and compression,freezing and thawing on the fatigue property of joint sealant were considered.

为了提高机场道面的防水密封效果,对道面封缝材料的受力性能进行了疲劳特性试验,分别考虑了接缝宽度、拉伸压缩和冻融对封缝材料疲劳特性的影响。