Pyromicn.一种镍铬耐热合金pyropref.表示“火的”；“热的”；“焦的”=pyr.pyroxenes from megacryst and xenolith巨晶和包体辉石pyrophosphate ribose-P-synthetase焦磷酸核糖-P-合成酶, 磷酸核糖焦磷酸激酶pyrolysis and gasification technology热解气化技术Pyrophacus horologicum var. steiniin.钟扁甲藻斯氏变种Pyrotechnical Optical Plume Simulator烟火光羽模拟器(美国)pyrotechnic composition for signaling[化] 信号剂Pyrolitic carbon with granular texture粒状织构的热解炭pyrolysis and gasification incineration热解气化焚烧Pyroelectric infrared detector assembly热释电红外探测模块pyroelectric thermal imaging cameratube热(释)电热成象摄象管