方法：用TTC梯度浓度培养基进行细菌菌数计数的回收率试验和菌落显色试验。
Methods:The tests were based on the bacterial's recovery rate of colonies count and the colour show test by TTC gradient concentration in culture medium.
单纯用牛肉膏蛋白胨培养基结合平板涂布计数法测定好氧细菌数量，不能真实反映窖内好氧细菌的真实情况。
Moreover, single use of beef extract peptone medium combined with spread plate count method to measure the quantity of aerobic bacteria could not reflect the real status of aerobic bacteria in pits.
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