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[1] Hi Sang KIM,Shao Y J.Egg-shaped digesters-after 16 years of operat ion at the terminal island treatment plant[J].CWPCA Bulletin,1998,30(2):151-15 7.

[2] ATV-Handbuch,Klaerschlamm[S].Verlag Ernst& Sohn,137-238.

[3] ��鳼.��ˮ̎��S�\�п��c�S�o��[M]. �ƌW(xu��) ��,��1997.235 -312.

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