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三名婴儿死亡，超越6000例是由净化的公式生病。
Three babies died and over 6,000 were made sick by the tainted formula.
youdao
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提出了新的紫胶虫死亡率计算公式。
Come forward new formula to count mortality of lac insect.
youdao
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提出了新的紫胶虫死亡率计算公式。
Come forward new formula to count mortality of lac insect.
youdao