toxicity hazard zone 毒性危害区 ; 毒性风险区
hazard zone mapping 危险区制图
gas hazard zone 瓦斯灾害危险区
seismic hazard zone 地震危险区
hazard zone planning 危险地带规划
hazard zone avoidance 避开危险地带
forest fire hazard zone 重点火险区
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。”
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