1)outfall block,排水口砌块2)sound absortion block,吸水砌块3)cement block,水泥砌块4)pulping line up the drain,浆砌排水沟5)stone drain,石砌排水沟6)Block with multi-row blind holes,多排盲孔砌块
用法例句
According to the experience of the pulping line up the drain management process,aims at the characteristics of it s work,puts forward the author s understanding and the viewpoint.
