- A brake in which the friction is caused by a set of pads that press against the inner surface of a rotating drum.鼓式制动器：一种制动器，透过刹车转动鼓内面与摩擦衬片相接合而产生摩擦力
- prognosticates
- prognosticating
- prognostics
- program
- program director
- programed
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- programer
- programing
- programing
- programing
- programmatic
- programme
- programme
- programmed
- programmed
- programmed instruction
- programmer
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- programmes
- programming
- programming
- programming
- programming language
- programmings