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[1] CJ/T3015.2-93�ؚ��ˮ��ܜy��[S].
[2] �S��.��(d��ng)��oˮ�c�Uˮ̎��ԭ��[M].��ߵȽ��磬1990.
[3] �S�L��,��֮��,��ƌ��.��ͬԇ򞌦��Ӱ푵�ԇ��о�[J].�Ї��o ˮ��ˮ.1993��9��6��.

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