[6-64]Radiation spreads a fire by ___.火灾的辐射蔓延是指热量通过没有阻碍的空间进行传输。
A.
transferring heat across an unobstructed space 指热量通过没有阻碍的空间进行传输
B.
heated gases flowing through ventilation systems热气流通过通风系统进行传输
C.
burning liquids flowing into another space 燃烧液体到另一空间
D.
transmitting the heat of a fire through the ship’s metal通过金属船体转移火热量