?

?????N??????????????B??????????????????????8???????ab1b2d????????????60??????100?10.7??1.2???3.8?1.3?191?19.8???????b1?e??????????

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?Cipangopaludina chinensis Gray????N?????????????

? ???44.4?27.5????6-7????????????,???????????????,???????????????

????????????? ?????????????????? ??????????10100????????????

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1????????500?23???...