The causes and treatment measures of concrete peeling of the approach embankment facing barrierboard in Huanghua Port Phase I Project are introduced.
介绍黄骅港一期工程引堤护面栅栏板表皮混凝土脱落的原因和处理措施。
2
About the sound insulation effect, PC board is internationally recognized as the first selection of highway noise barrier material, it can even 40 decibels of sound insulation.
关于隔音作用来说，PC板是国际上公认的高速公路隔音屏障的首选资料，它乃至能够绝缘40分贝的音响。
3
Show your ticket at the barrier before you board the train.