问题描述：
There are four factories in our institute ,＿＿Awith each having over 100workers B:each having...
There are four factories in our institute ,＿＿Awith each having over 100workers B:each having over 100workers 选哪个?why
There are four factories in our institute ,＿＿Awith each having over 100workers B:each having over 100workers 选哪个?why
问题解答：
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