pyrite黄铁矿
pyroceram焦窑商名
pyrolusite软锰矿
pyrolysis高温分解；热解
pyrolyticcoating热解涂层
pyrometer高温计
pyrometriccone示温锥
P.C.E.pyrophyllite叶蜡石
pyroplasticdeformation高温塑性变形
pyroscope示温具
quadflatpackage四侧面脚端表面安装型封装体
quarry采石场
quartermicrondesign0.25微米设计
quartz石英
quartzglass石英玻璃
quartzsand石英砂
quartztubecleaningequipment石英管洗涤设备
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