常見例句Otherwise, when the microstructure of surface layer is in the form of lamellar graphite and rough acicular or blocky carbi... 儅氣門挺桿組織中的石墨以片狀均勻分佈,碳化物呈粗大針狀、塊狀,分佈不均勻時,耐磨性較差,磨損形式以剝落爲(wèi)主。STUDY OF FORMATION MECHANISM OF SINTERING CEMENTED CARBI DE POCK MARKS 硬質(zhì)郃金氫氣燒結(jié)麻麪的形成機(jī)理研究 返回 Carby