例句與造句

1. microconcrete structural model test on the outlet-structure inside the dam
   壩內(nèi)孔口結(jié)構(gòu)的微混凝土結(jié)構(gòu)模型試驗(yàn)
2. It's difficult to find structural model test in a sentence. 用structural model test造句挺難的