沼气危险评估；堆填区气体风险评估的英文

landfill gas hazard assessment

• 沼气:    methane; fire-damp ...
• 危险:    dangerous; perilou ...
• 评估:    estimate; assess; ...
• 堆:    pile up; heap up; ...
• 填:    fill; stuff
• 区:    H region; H
• 气体:    gas; gaseous fluid
• 风险:    risk; hazard; dang ...