Generally, the first action in extinguishing an LFG fire caused by escaping gas is to ___________.(1.0)
A.sweep flames away with water spray B.shut off the leak C.use a chemical foam fire extinguisher D.call the local fire department正确答案B
Generally, the first action in extinguishing an LFG fire caused by escaping gas is to ___________.(1.0)
A.sweep flames away with water spray B.shut off the leak C.use a chemical foam fire extinguisher D.call the local fire department正确答案B
