Should employees have an automatic right to smoke at work?
员工是否应该把在工作中吸烟视为当然的权利？
A fire alarm automatic system was introduced, it was developed with smoke sensor and telephone.
介绍一种火灾自动报警系统。该系统应用了离子感烟传感器和电话。
Smoke extraction fan is set as manual and automatic start.
排烟风机设置为手动和AUTO开启装置。
Smoke extraction fan is set as manual and automatic start.
排烟风机设置为手动和AUTO开启装置。
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