例句與造句

1. the paper introduces the develop and manufacture situations of the prestressed reinforced concrete mast for the high capacity headspan suspension and its main advantages . the improvement on problems discovered in the trial period are proposed . this kind of mast is suggested to be widely used in electrified railways
   本文介紹了大容量預(yù)應(yīng)力鋼筋混凝土軟橫跨支柱的研制情況及主要優(yōu)點，對試用中發(fā)現(xiàn)的問題，提出了改進(jìn)意見，并建議在電氣化鐵路上推廣使用。
2. It's difficult to find headspan suspension in a sentence. 用headspan suspension造句挺難的