文章对电子商储系统中的数据库结构设计进行了探讨。
This paper discusses the structure of a database fore-store commerce system.
提出了本热田为断裂裂隙热储系统的深循环式的热田。
The heating process is conducted during the movement of rift cracks in basement, heat source is from magma .
美国红阀公司出品的A型无故障系统700从热储系统里提供气压,一个这种供气系统可以同时操作几个夹管阀。
The Type A fail-safe system 700 from Red Valve is sized to provide air pressure in the reservoir system to operate multiple valves from one reservoir.
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