mach number
导读：mach number读音音标
mach number意思解释
n.马赫数（飞行速度与音速的比例值）； 英英释义 mach number n.the ratio of the speed of a moving body to the speed of sound
mach number意思解释
n.马赫数（飞行速度与音速的比例值）； 英英释义 mach number n.the ratio of the speed of a moving body to the speed of sound
mach number读音音标
mach number意思解释
n.
马赫数（飞行速度与音速的比例值）；
英英释义
mach numbern.
the ratio of the speed of a moving body to the speed of sound
