【机械工程；照明；加热；武器；】差动泵（分级-活塞泵）【机械工程】差动泵（阶梯形活塞泵）

Differential-Display PCR, DDPCR

Diagnosis

exact differential equation【数】

reciprocal subtraction RNA differential display

differential pump (multistage pump, multi-cellular pump, step piston pump)

planetary gear, differential gear, belt drive

differential medium

electronic differential analyzer