The fire risk presented by a flammable cargo depends upon ________________above it.(1.0)
A.the oxygen content of the atmosphere B.the lower explosive limit C.the heavy corrosivity D.the expansion coefficient正确答案A
The fire risk presented by a flammable cargo depends upon ________________above it.(1.0)
A.the oxygen content of the atmosphere B.the lower explosive limit C.the heavy corrosivity D.the expansion coefficient正确答案A
