crack impregnation test是什么意思

用法例句

Based on the analysis and comparison of merits and demerits between immersion Marshall test and freez-tharw spilt test,immersion split test is designed aiming at the actual circumstance of hot and damp region.

针对湿热地区的实际情况,在分析和比较浸水马歇尔试验和冻融劈裂试验优缺点的基础上,自行设计了浸水劈裂试验。