integral prefabricated prestressed concrete slab―column structure整体: ensemble; whole; entirety预应力: prestress; prestressing forc ...板: board; plank; plate整体预应力板柱结构: integral prefabricated prestressed concrete slab-column structure; integral prefabricated prestressed concrete slab―column structure整体预应力混凝土轨枕: monoblock prestressed concrete sleeper下载手机词典可随时随地查词查翻译
