Due to the complicated situation and lots of corrosion factors, various corrosions occur in the well.

井下環(huán)境非常復雜免费A级毛片中文字幕，影響管材腐蝕的因素眾多国产免费一级A片免费网下，因而產(chǎn)生了多種多樣的腐蝕現(xiàn)象欧美黄色视频看看。

According to various corrosions corresponding anticorrosion measures are proposed to improve antiseptic effect.

結(jié)合供熱管網(wǎng)被腐蝕的現(xiàn)象，討論了供熱系統(tǒng)中熱水管網(wǎng)的腐蝕及其影響因素成年男性网站，并針對不同的腐蝕類型提出了相應的防腐措施国产精品第37页，以提高防腐效果。

Corrosion resistance is one of important factors for choosing types of alloy, classifying into chemical, electrochemical, and physical corrosions.

材料的耐腐蝕性是臨床醫(yī)師選擇合金種類的重要依據(jù)之一变态欧美亚洲日韩女优电影在线观看，金屬腐蝕分為化學欧美精品无遮挡、電化學和物理腐蝕等3類。

The corrosions on the tank floor caused a lot of accidents during the past years.

底板腐蝕是引發(fā)儲罐安全事故的重大誘因一级A片免费黄片。

T29.7 Corrosions of multiple regions, at least one corrosion of third degree mentioned

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Corrosions：管道腐蝕

Blockage of pipelines 管道堵塞 | Corrosions 管道腐蝕 | Interference with intercellular communication 干擾細胞間通訊

NOS Corrosions of multiple regions unspecified degree：多個部位腐蝕傷

多個部位腐蝕傷 NOS Corrosions of multiple regions unspecified degree | 咳嗽 Cough | 綜合涉及與性態(tài)度看外国免费免下载男女人与抽黄色视频、性行為和性取向有關(guān)的咨詢 Counsel rel to comb concerns reg sex attit/behav/orientation

The corrosions and Protection of Metal materials：金屬材料的腐蝕與防護

特種鑄造技術(shù)Special casting | 金屬材料的腐蝕與防護The corrosions and Protection of Metal materials | 材料熱力學Thermodynamics of Materials