单词	衬缸
释义	同衬缸 -- 衬板--衬管
随便看	double null diverter double numeration double nut double-o double obelisk double obelus double-oblique shock double-oblique shock inlet double-oblique shock--inlet double occupancy double-occupancy double octave double on one’s trace double open diapason double opener double operand double operand instruction double-opponent cell double oppose engine double option double oral auction double ordering double organ double (organ) transplant double or nothing