The mixture flows into the digester.混合物流进分解槽.It improves digester cost operation and reduces capital cost wherever sludge digestion is utilized.当采用污泥消化时,它可改进消化器的运行并降低其基建投资费用.The application scale of digester is the first...
Lowell , who succeeded him in the chair , also merited the appointment.接替他出任这个教职的洛威尔也极其称职.Longfellow, Lowell, Holmes: all three, great men to their own age, have dwindled subsequently.朗费罗 、 洛威尔 、 霍姆斯三个, 都不失为他们那个时代的伟人, 后来...