The construction of the metal and pipe should ablate the rust first.

對(duì)金屬板久久久久久久黄色网站、管材的防腐施工要求先進(jìn)行除銹久久一区精品网站、清洗處理后再進(jìn)行涂料施工。

The process of rust removing by abrasive cleaning,selection and formulation of abradant s,methods of lowering cost are described.

分析了鋼管表面處理的方式及其效果欧美美女A片一级；闡述了噴射除銹的工藝蜜月aⅴ、磨料的選用和配比、降低成本的手段6080国产午夜精品。

Over time they abrade the paint, allow oxidation to begin, and cause tiny rust spots in your paint.

隨著時(shí)間的推移66J836影院，他們研磨油漆，讓氧化開(kāi)始免费乱操视频，并導(dǎo)致小銹斑在您的涂料国产特黄A片AAA免费看。

Uses: The products are used in automotive cooling systems to prevent scale and rust in the generation, effectively reduce the heat sink on the accumulation of adsorbate to improve the efficiency of heat transfer cooler

產(chǎn)品用途：本產(chǎn)品用于防止汽車(chē)?yán)鋮s系統(tǒng)中的水垢及鐵銹的產(chǎn)生，有效減少散熱片上的吸附物的堆積国产免费黄色，提高冷卻器的換熱效率

With the aeciospore wall of armandii pine blister rust as inducer, chitinase gene was induced to express in Trichoderma atroviride cells. The cDNA fragment of chitinase gene was cloned by RT-PCR approach.

方法］采用華山松皰銹病的銹孢子壁作為誘導(dǎo)物欧美热精品视频在线播放，誘導(dǎo)深綠木霉SS003中幾丁質(zhì)酶基因的表達(dá)，并通過(guò)RT-PCR方法擴(kuò)增得到幾丁質(zhì)酶基因片段日韩在线观看精品亚洲专区一区二区。

A binucleate spore of a rust fungus , formed in a chainlike series in an aecium .

銹孢子銹菌的雙核孢子亚洲色视频A片，在銹孢子器中形成鏈狀系列來(lái)源：詞友

But part of the answer is, no doubt, its agelessness, regularly maintained, it should never rust away.

但是部分的答案是，毫無(wú)疑問(wèn)国内外自拍偷拍视频，它是永恒的插女人网站，還有定期的維護(hù)，它永遠(yuǎn)不生銹在线一级黄片在线。

This method mainly electricity or compressed air-driven, assembly derusting appropriate device for reciprocating movement or rotary movement, to meet the requirements of the various shelves of the rust.

這種方法主要以電或壓縮空氣為動(dòng)力99riav3vip，裝配適當(dāng)?shù)某P裝置自拍另类欧美日韩视频，進(jìn)行往復(fù)運(yùn)動(dòng)或旋轉(zhuǎn)運(yùn)動(dòng)，以適應(yīng)各種貨架的除銹要求亚洲中文字幕国。

My home cable box using the two, after inspection, the two side of junction box has black rust, and rust is very powerful, screws are fixed by screw.

筆者家中用了兩個(gè)接線盒xinnin8.com，經(jīng)檢查，兩個(gè)接線盒都有一邊發(fā)黑生銹了黄色性爱欧美视频，而且銹的很厲害色色色婷，螺絲都擰不動(dòng)了。

The results show that the zinc coating is eroded mostly, and some red rust and black rust appear on the substrate in the environment of oxygen supplied intermittently.

結(jié)果表明：在間歇通O2的情況下又黄又粗又大又长又色又爽，鋅層大部分被腐蝕国产老人性交黄片，而且在基體上有一些紅銹和黑銹產(chǎn)生，鍍鋅板表面的腐蝕產(chǎn)物呈現(xiàn)著不均勻的針狀物精品久久久久久电影综合；而在間歇通N2時(shí)农村丰满饥渴老女人性视频，鍍鋅板的鋅層脫落面積較少，基體上沒(méi)有產(chǎn)生紅銹精品国产手机在线观看，腐蝕產(chǎn)物呈大塊狀亚洲系列在线；在間歇通O2和通N2的情況下，鍍鋅板的腐蝕速率先增后降自拍日韩欧美激情视频在线观看，在200 h時(shí)欧美4p在线，前者的腐蝕質(zhì)量損失速率是后者的2倍左右；鍍鋅板附著庫(kù)爾勒泥漿時(shí)的腐蝕過(guò)程受氧去極化過(guò)程控制国产乱弄视频。