房间里大概有200人，我们在谈论安全问题，这显然对我们来说是个关键议题。
I had about 200 people in the room, and we were talking about safety, which is obviously a critical issue for us.
为持续改进企业安全管理绩效，对安全文化的关键指标进行研究并量化处理，以期对建立我国企业安全文化评价体系有建设性作用。
To improve the performance of enterprises' safety management and establish the evaluation system of enterprises' safety culture, key indices used to measure safety culture were studied and quantified.
研制旋转防喷器有几大难点，主要集中在密封胶芯、旋转动密封及轴承，各自的寿命满足实际应用是保证钻井施工安全的关键。
There are many difficulties during the new rotating blowout preventer's manufacture and test, they concentrate on spherical seal, dynamic seal and bearings.
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