drainage structure是什么意思

drainage structure是什么意思 drainage Drainage Structure是神马意思 structure structure&()) proper drainage away from each of the weighing modules 怎么译呢proper drainage away from 后边是每个称重模组 membrane drainage是什么意思啊 语言学：如何区分句子的surface structure和deep structure?后者是抽象的吗? 英语翻译plumbing and drainage installation structure 造句structure 造句 use an absolute structure 是使用绝对句式么? Clear Structure wordfile structure Structure用法 phrase structure key structure the structure: