距辐射源米处每小时的伦琴数
roentgen per hour at one meter
rhm unit
rhm
每次操作的最小处理时间
minimum processing time per operation
每马力小时的磅数
pound per horsepower hour
每小时每电路尝试
attempts per circuit per hour
每小时每电路连接
connections per circuit per houi
acrylic orange-figured paint
每条电路每小时试呼次数
attempts per circuit per hour