Poisonous liquid, which in contact with water emits flammable gases, n. O. S. (Inhalation Hazard Zone a).
有毒液体，遇水释放可燃性气体，未作说明(吸入危害带a)。
Don't worry. I have oilfield experience for 10 years. There is hazard zone on rig floor and around rig. Any electric equipment should abide zone-1 section A standard.
不要担心，我有十年的油田经验，在钻台和钻机周围有一个危险区域，任何电动设备应该遵守A给标准部分。
Though the building is 50 miles from the Pacific Ocean and well beyond the reach of killer tidal waves, a blue and white metal sign at its entrance says "Entering Tsunami Hazard Zone."
尽管这座建筑距离太平洋有50英里，远在杀手般的浪潮鞭长莫及的地方，入口处却立着一块蓝白色金属牌，上面写着“进入海啸危险区域。”
Combined with coal characteristics in goaf of fully mechanized top-coal caving, determinant criteria and methods of hazard zone in goaf are determined by theory of coal spontaneous combustion zone.
本论文结合综放面采空区浮煤自然发火的特点，运用煤自燃危险区域判定理论，确定了采空区自燃危险区域的判定条件和方法步骤。
The fire and explosion hazard in liquefied petroleum gas storage tank zone were evaluated quantitatively by the fire and explosion hazard index method.
采用火灾爆炸危险指数评价法，对液化石油气储罐区火灾爆炸事故的危险性进行定量安全评价。
The paper analyzed the characteristics of expansive soil physical mechanics and hazard to engineering, proposed relative measures of building expressway in expansive soil zone.
该文分析了膨胀土的物理力学特性及对工程的危害，并对在膨胀土地区修建高速公路提出相应的综合防治措施。
The paper mainly introduced the shape cause of subgrade seepage zone, analyzed its hazard and discussed its countermeasures from construction control and management.
主要阐述了路基漏压区形成的原因，分析了路基漏压区的危害性，并从施工控制和工程管理角度详述了消除漏压区应采取的措施。
The activities of the fault zone within the highway engineering facilities have a serious hazard.
断裂带的活动对省内公路工程设施产生了严重的危害。
Proceeding from the systematic theory, this paper analyses the main feature of natural hazard system in Chinese coastal zone.
从系统的角度出发，分析我国海岸带自然灾害系统的主要特征。
However, the method used in China is given representative value for each zone, this approach can not reflect the large number of seismic hazard analysis results, .
这一做法难以反映地震危险性分析中大量而细致的工作成果，而且由于分区值取为分档范围的偏下限还可能引入不安全的因素；
However, the method used in China is given representative value for each zone, this approach can not reflect the large number of seismic hazard analysis results, .
这一做法难以反映地震危险性分析中大量而细致的工作成果，而且由于分区值取为分档范围的偏下限还可能引入不安全的因素；
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