concrete shield混凝土: concrete; beton; jetereting防护: protect; shelter; shield; gu ...层: I storey; tier; stratum重混凝土防护层: heavy aggregate concrete shield混凝土防护墙: concrete retaining wall下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:混凝土防护层,即可在微信中查询翻译