preload concrete

• 预应力混凝土

preload concrete的用法和样例：

例句

1. Cracking is almost completely avoided in prestressed concrete.
   预应力混凝土几乎可以完全避免出现裂缝。
2. The successful alternative was the cast-in-place segmental prestressed concrete box girder.
   最后采用的方案是分段现浇的预应力混凝土箱形梁。