例句與造句

1. Plain concrete structure
   素混凝土結(jié)構(gòu)24
2. Eurocode 2 : design of concrete structures . general rules . plain concrete structures
   歐洲規(guī)程2 :混凝土結(jié)構(gòu)設(shè)計(jì).總則.普通混凝土結(jié)構(gòu)
3. It's difficult to find plain concrete structure in a sentence. 用plain concrete structure造句挺難的