pretensioned concrete

• 先张法混凝土,先张拉混凝土

pretensioned concrete的用法和样例：

例句

1. At the same time the gluing steel plates enclose tensed concrete, improve the capability of resisting tension and limit the crack in the concrete.
   同时，所粘钢板包住受拉混凝土，改善了混凝土的抗拉性能，阻止并限制了混凝土中裂缝的发展。