Thinking, reaction and operation are three basic links of "behavior mode" in career safety when the links function normally, the professional activities can meet the demands of career safety.
思维、反应、行动，是构成职业安全“行为模式”的基本环节。这些环节运转正常，职业活动就能满足职业安全的需要。
Safety and smooth are the basic demands for consumers in gas delivery.
天然气消费者对用气的基本要求是安全平稳。
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