常見例句For this, he has used readymix concrete moulds which are made of materials like fly ash. 為此,他采用由如粉煤灰這樣的材料制成的混凝土模具。To maintain the readymix plants and vehicles in accordance with the relevant Lafarge Safety Standard. 根據(jù)拉法基的安全標(biāo)準(zhǔn),對工廠的車輛和設(shè)備進行維修保養(yǎng);readymix concrete 預(yù)拌混凝土 返回 readymix