Passions fly on immigration, but I don't know anyone who benefits when a mother is separated from her infant child or an employer undercuts American wages by hiring illegal workers.
移民问题让大家热情高涨，但是当一个母亲被从她的婴儿分开时、当一个雇主雇佣地下劳工来逃避美国工资的时候，我不知道有谁从中受益。
On a hunt for better utilization of iron included in fly ash, ferrous micro-bead was separated from fly ash by magnetic separation.
为了更好地利用粉煤灰中的铁，利用磁选将粉煤灰中的铁分离出来。
On a hunt for better utilization of iron included in fly ash, ferrous micro-bead was separated from fly ash by magnetic separation.
为了更好地利用粉煤灰中的铁，利用磁选将粉煤灰中的铁分离出来。
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