Preheater Evaporator什么意思

Physical Education体育 Performance Evaluation性能赋值 Peru秘鲁 Professional Engineer专业工程师 Price to Earnings (ratio)价格收益(率) Probable Error概率[或然, 近真]误差, (大)概(误)差 Per Esempio (Italian: For Example)每Esempio(意大利) Product Engineer产品工程师 Physical Examination体格检查,物理检查 Portable Executable可移动的可执行文件 Presumptive Eligibility假定资格 Potential Energy位能 Polyethylene聚乙烯 Processing Element处理部件，处理机 Petroleum Engineer石油工程师