有些展览会考虑安全，会限制操作机器。
Some exhibitions to consider safety and limit the operation of the machine.
本次展览会可谓是中国煤炭开采、设备采购、安全生产技术交流空前隆重的盛会。
This exhibition is a grand event for China's coal mining industry, equipment procurement and technical exchanges of safe production.
土尔其电器，电子自动化，安全及电信展览会。
Exhibition for Electrics, Electronics, Automation, Security and Telecommunications.
土尔其电器，电子自动化，安全及电信展览会。
Exhibition for Electrics, Electronics, Automation, Security and Telecommunications.
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