常見例句雙語(yǔ)例句The crystal defects were studied by optical method and chemical etching method.用光學(xué)法和化學(xué)腐蝕法研究了晶體的缺陷,并分析了缺陷成因。Chemical etching and high temperature heating were used for pretreatment of substrates.襯底預(yù)處理采用化學(xué)刻蝕和高溫處理。The affections of different surface treatments by mechanical polishing, chemical etching and photoetching to the properties of electrodes have also been discussed.探討了機(jī)械拋光、化學(xué)拋光和光拋光等不同表面處理方法對(duì)電極特性的影響。 返回 chemical etching