concrete plug meaning in English

混凝土塞
砼封堵

Design of the concrete plug of xianghongdian underwater rockplug - blasting
响洪甸水下岩塞爆破堵头设计
Abstract : the paper analyses the loads acted on the concrete plug while the rock plug blasting , and introduces the stress and stability of the concrete plug acted by the load of underwater rock plug blasting
摘要:文章对岩塞爆破时作用于堵头上的荷载进行了分析，介绍了混凝土堵头在岩塞爆破荷载作用下的应力和稳定情况。