precast concrete[英][?pri:?kɑ:st ?k?nkri:t][美][pri?k?st kɑn?krit]
預制混凝土，預制混凝土構件;
例句:
1.
Jinning county kunyang cast concrete precast factory.
晉寧縣昆陽鑄成混凝土預制件廠。
2.
Passive houses use some specialized materials. These include precast concrete panels and insulation.
被動式住宅使用壹些專用材料，其中包括混凝土預制板和隔熱材料。
3.
In addition, the precast concrete wall, vending machines, and so has the danger of collapse, not around these objects.
此外，水泥預制板墻、自動售貨機等也有倒塌的危險，不要靠近這些物體。