preferentialist关税特惠主义者
preferentialadj.优先的;优待的;特惠的
preferential sequence of development优先动用排序
preferential policies for minorities民族优惠政策
preferential tax exemption treatment免税优待
preferential policyof the tax revenue税收优惠政策
preferential developmental Industries优先发展产业
Preferential right top maritime claim海事优先请求权
preferential cooling of narrow surface扁锭窄面优先冷却
preferential system of foreign capital外资优惠制度