The results indicated that 00Cr18Nil4Mo2Cu2 and 1Cr18Ni9Ti had poor corrosion resisting property, however, 00Cr25Ni22Mo4.5Cu and TA2 had good corrosion resisting property and were ideal material in Chloromethane production system.

選用了目前耐還原性腐蝕介質(zhì)較好的幾種工業(yè)材料污黄色片99精品人人操人人插，模擬現(xiàn)場的生產(chǎn)條件

This is the reason that the blue white passivating film is too thin.So,in order to settle the problem,a kind of process to acquire compare thick passivating film,high corrosion resisting WX-3TC trivalent chromium blue white desensitizer and its means were successfu...

為此，在增加藍(lán)白色鈍化膜的厚度方面進(jìn)行了努力欧美黄色视频A一级黄色视频，終于研制成功了一種能獲得較厚91cm182在线播放、具有高耐蝕性鈍化膜的WX-3TC三價(jià)鉻藍(lán)白色鈍化劑及其鈍化工藝，鹽霧試驗(yàn)出現(xiàn)白銹的時(shí)間可達(dá)240h以上国产黃色A片视频1，從而解決了藍(lán)白色鈍化膜耐腐蝕性差的難題好色网址。

So, in order to settle the problem, a kind of process to acquire compare thick passivating film, high corrosion resisting WX-3TC trivalent chromium blue white desensitizer and its means were successful obtained. The white rust appears after 240h in salt spray test, thus the poor corrosion resistance of blue white passivating film can be settled.

為此，在增加藍(lán)白色鈍化膜的厚度方面進(jìn)行了努力人人射97，終于研制成功了一種能獲得較厚JIZZJIZZ亚洲日本少妇、具有高耐蝕性鈍化膜的WX-3TC三價(jià)鉻藍(lán)白色鈍化劑及其鈍化工藝，鹽霧試驗(yàn)出現(xiàn)白銹的時(shí)間可達(dá)240h以上97超碰免费，從而解決了藍(lán)白色鈍化膜耐腐蝕性差的難題A级黄色网站免费看。

Through in the practice feeling about divulgement, vibration and synthesis operational performance of the pump and life of the key components and the pedestal and intact operating horary inside contact in whole set, try to look for one kind of reasonable and economical corrosion resisting stainless steel material of the pedestal and pump body,in the hope prolonging ZA200-315A and HC200-250A type stainless steels acid resisting pump whole set operation life.

通過實(shí)踐摸索泵的泄漏、振動(dòng)及泵綜合使用性能和關(guān)鍵部件的壽命处女开破视频、底座壽命與整機(jī)完好運(yùn)行時(shí)間的內(nèi)在聯(lián)系国产视频精品91，試圖尋找一種合理經(jīng)濟(jì)的耐腐蝕不銹鋼底座及泵身材質(zhì)，以期延長ZA200—315A型及HC200—250A型不銹鋼耐酸泵的整機(jī)運(yùn)行壽命美国,国产欧美一区。

Article 12 As for the packing site of a food additive or the production site of a compound food additive, its walls and roof shall be built with innocuous materials which are light colored, dampproof, anti-corrosive, innocuous, watertight and not easy to peel off, and the ground shall be smooth, skidproof, wearable, innocuous, corrosion-resisting, watertight and easy to cleanse.

第十二條食品添加劑的產(chǎn)品包裝場所和復(fù)合食品添加劑的生產(chǎn)場所无码国产精品一区二区gif，其墻壁和屋頂應(yīng)采用淺色、防潮尤物国产一区二区三区、防腐蝕深夜女人18毛片A级毛片免费、防毒、防滲和不易脫落的無毒材料99riav在线一区，地面應(yīng)平整防滑成人黄色视频在线播放1、耐磨、無毒影音先锋av在线网址、耐腐蝕在线精品自拍第一页、不滲水、便于清洗一本一道aV无码中文字幕黑人。

The pump has the advantages lf unuse oil,non-pollrtion corrosion resisting, lower noise and easy movement, one machine with multi-usage.

材料采用防腐機(jī)芯和不銹鋼機(jī)芯兩種型號(hào)啪啪啪不卡视频；立式電機(jī)，泵體直接潛入水下国产亚洲日韩在线人成aaaa，不需加引水国产毛片A片视频一区，一機(jī)多用。

The pump has the advantages lf unuse oil,non-pollrtion corrosion resisting, lower noise and easy movement, one machine with multi-usage.

材料采用防腐機(jī)芯和不袗機(jī)芯兩種型號(hào)久久国产亚洲欧美久久；立式電機(jī)高清一区二区色视频，泵體直接潛入水下，不需加引水直接在线免费看黄网站，一機(jī)多用美女被插出白浆。

The pump has the advantages lf unuse oil,non-pollrtion corrosion resisting, lower noise and easy movement, one machine with multi-usage.

油、無污染、耐腐蝕人人色人人操人人射、噪音低久久久久99精品免费、方便靈活等特點(diǎn)。材料采用防腐機(jī)芯和不銹鋼機(jī)芯兩種型號(hào)性欧美另类；立式電機(jī)91久久精品一区二区三区，泵體

The pump has the advantages lf unuse oil,non-pollrtion corrosion resisting, lower noiseeasy movement, one machine with multi-usage.

材料采用防腐機(jī)芯和不銹鋼機(jī)芯兩種型號(hào)；立式電機(jī)亚洲天堂国产制服，泵體直接潛入水下欧美一区二区激情，不需加引水，一機(jī)多用欧美日韩国产XXXX。

Aluminizing the fine copper ' s surface could enhance its strength, rigidity, abrasion resistance and corrosion-resisting properties.

對(duì)純銅表面進(jìn)行滲鋁日韩偷拍精品另类视频，可以提高其強(qiáng)度，硬度新色a4yy新色综合，耐磨損性和耐蝕性能。