预应 meaning in English

proactive

Later other prestressing methods with parallel wire or strand tendons were also used .
后来，又使用其它的预应方法，如利用平行钢丝或钢绞线施加预应力。
Value of effective prestress
预应筋有效预应力值33
Relaxation of prestressed tendon
预应筋松弛31
Code of practice for the use of masonry - structural use of reinforced and prestressed masonry
砖石工程实施规程.增强和预应圬工的结构使用