单词	what can they learn
释义	what can they learn 他们能学到什么？
随便看	compression perpendicular to grain compression perpendicular to the grain compression pipe compression piston ring compression piston-ring compression plant compression plant gasoline compression plastimeter compression plastometer compression plastometre compression plate compression plate fixation compression plate lock-up compression platform compression plating compression point compression power injectionf uel pump compression-power injection fuel pump compression-power injection pump compression press compression pressure compression pressure ratio compression process compression process gasoline compression program