词汇	bottom sludge
释义	bottom sludge 底泥
随便看	doublesalt double salt double salto doubles double S double-s double s 22-degree angle wrench double saccharification double sac sign double safe edge points double safety double safety binding double safety pressure cooker doublesafety valve double safety valve Double Sage Powder double sail double salt of ammonium phosphate double salt of boron fluoride-dimethyl ether double salt precipitation double salts double salts of aluminium sulphate doublesalt water distilling plant double salt water distilling plant double samara