1.Lower the pressure and largen the current of common electric current through transformer.

1.● 是利用普通经过压器作用，使压降低而大。

2.If want to largen and strengthen the clothing industry,the Humen clothing industry cluster must know about the situation,make sure strategy,renew concept,...

2.虎门装产业做大做强,应认清形势,确定战略;更新观念,明确目标;有效管理,确保发展。