词汇	worn coinage
释义	worn coinage 用旧的铸币
随便看	critical hardware critical hazard critical head critical headloss critical heart disease critical heart rate critical heat critical heat flex critical heat flow critical heat flux critical-heat flux critical heat flux condition critical heat flux density critical heat flux margin critical heat flux modified cold-wall factor critical heat flux modified shape factor critical heat flux modified spacer factor critical heat flux ratio critical heat flux test critical heat insulation diameter critical heat release rate critical height critical-height critical height of center of gravity critical height of embankment