1) differential flow-in and out
进、出口流量差
2) differential flow-in and out
进、出口泥浆流量差
3) differences between input traffic volume and output traffic volume
进出流量差异
5) temperature difference between supply and return ground-water
进出口温差
1.
Discusses the influence of supply temperature of the ground-water and the temperature difference between supply and return ground-water on the system based on experimental results.
结合对地下水源热泵系统的实测结果,分析了井水进口温度和进出口温差对系统性能的影响;指出了在不同的井水进口温度下,合理选择井水进出口温差,可在保证系统高效运行的同时节约井水源能耗。
6) differences of exports and imports
进出口差额
1.
From the respect of supply and demand,this paper analyzes the differences of exports and imports,the balance of foreign debts and foreign direct investment which are the main factors influencing China’s foreign exchange reserve to strengthen the management of foreign exchange reserve according to the influencing factors.
为更好地加强外汇储备的管理,从供给与需求的角度,分析我国外汇储备规模的主要影响因素是进出口差额、外债余额以及外商直接投资。
补充资料：主要经营单位进出口总额(外贸进出口总额)
主要经营单位进出口总额(外贸进出口总额)：是指经营单位在本口岸和外口岸进出口的金额。自1999年1月开始使用海关统计数据。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条