【化】 reduction ratio

粉碎的英語翻譯：

break into pieces; shatter; smash; comminute; crush; demolish; pulverize
scotch
【化】 comminution; crush; size reduction
【醫(yī)】 comminution; porphyrization; pulverization; pulverize

度的英語翻譯：

consideration; tolerance; degree; limit; linear measure; surmise; estimate
extent
【計】 degrees; k.w.h.
【化】 dimension; kilowatt hour
【醫(yī)】 Deg.; degree
【經(jīng)】 degree