Granite as raw material, PSA is made in a series of aggregate reactions of chemical fusibility.选用花岗闪长岩为原料, 通过一系列的化学熔融聚合反应制成新型絮凝剂———聚硅酸铁铝盐絮凝剂.Its petrology , petrochemistry and geochemistry feature show the intrusive is p...
Don't be fobbed off with excuses.不要被各种借口给蒙骗了。We thought we'd been fobbed off with inferior goods.我们以为对方向我们骗售劣质货物.The salesman fobbed off the faulty machine on the lady.推销员拿有毛病的缝纫机蒙骗那位女士....
This sandstone unit is commonly thick - bedded and massive, with silty and carbonaceous laminations.该砂层单元通常为厚层或块状, 具粉砂质和碳质纹层.Thin layers of sandy shale, and carbonaceous fragments are locally present.局部出现砂质页岩薄层和碳质碎屑.Beca...