Preti普雷蒂PREabbr.Petroleum Refining Engineer炼油工程师pre-read head预读头Preheater Tower窑尾塔架preamble clause序(文条)款prefrontal bone额骨鼻部pretuberculosis初期肺结核preburning time预燃时间preagricultutaladj.农业(期)前的；农业耕作出现之前的premix injector预先混合喷射器pre competitive竞争前阶段preamlification前置放大