precast factory预制混凝土: precast concrete厂房: factory building workshop混凝土厂房: ready-mix plant预制混凝土 预制混凝土构件: precastconcrete预制混凝土板: precast concrete plank; precast concrete slab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:预制混凝土厂房,即可在微信中查询翻译