precast是什么意思_precast怎么读_音标pri:'kɑ:st
时间：
precast是什么意思音标:英 [pri:'kɑ:st]
vt. 预浇制
a. 预制的
s. of structural members especially of concrete; cast into form before being transported to the site of installation
precast的用法和例句：
1.The idea is that the ripples or waves of water behave much pke a precast of blast through air.
我们认为 涟漪或水波和 爆炸冲击波在空气传播效果相同