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

● 是普通电流经过变压器作，使电压降低而电流变大。

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

虎门装产业集群要做大做强,应认清形势,定战略;更新观念,标;有效管理,保发展。