Abstract: There‘re many tunnels on FuNing freeway, which rarely happen in China。 The tunnel monitored system utilizes PLC as the local controller to collect data and issue information,the entire PLC network system can be pretty easily built up,operate reliable, and well meet the design objective and requirement。
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Even database administrators and other professionals operate within a universe of well-established concepts and reliable functionality.
甚至数据库管理员和其他专业人员都在广为接受的概念和可靠功能范围内进行操作。
Reliable statistics are hard to come by, not least because many factories operate in a legal netherworld, but the severity of the slump is plain.
很难取得可靠统计数据,这不光因为很多工厂在民间进行合法经营,而且缩减的强度不用统计也显而易见。
The emergency generator is not only reliable but also easy to operate and maintain.
应急发电机不仅性能可靠而且操作与维护也很方便。
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