Prestressed
预应力的（混凝土）
🗣️ 情景例句
But he wants to cut the school budget!
但他想削减学校的预算！
As soon as I complete my training,I'm going to be a bank teller.
一旦我完成训练，我将是一个银行出纳。
THE UNIVERSE AND MAN-MADE SATELLITES
宇宙与人造卫星