High and low ventilators covered internally with double fine brass wire gauze of nominal aperture size not greater than 0.65mm and externally with non-corrodible metal gratings/louvers to be provided to the store.

該倉(cāng)須具備高低通風(fēng)氣窗一级毛片精品免费播放，窗內(nèi)安裝雙層幼銅線網(wǎng)，網(wǎng)眼不得超逾0.65毫米日日色色色，窗外則安裝抗腐蝕鐵枝格柵或百葉窗板日韩黄片AV。

But there are some problems remined they are easily corrodible and are rather difficult to disperse in the lacquer.

所以研究金屬磁粉化學(xué)穩(wěn)定性不好的產(chǎn)生原因及解決辦法是它能否實(shí)用的主要問(wèn)題。

A lot of technology experiments have been done about the manufacture technique, the influence on the micro-structure resulted from the (311) rapidly corrodible plane is founded and the compensation technique is studied.

最后對(duì)系統(tǒng)進(jìn)行了大量的特性實(shí)驗(yàn)久久久久久久一级毛片，這些實(shí)驗(yàn)不但充分證明了以上理論研究的正確性操人人看人人摸人人插，而且為微機(jī)電諧振陣列嗅覺(jué)系統(tǒng)的實(shí)用化開(kāi)發(fā)提供了寶貴的數(shù)據(jù)。

Bolts, screws and highly corrodible metals that can rust and render a pump unserviceable have also been replaced with easily operated clamp rings, ensuring simple maintenance year after year.

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Sulfur corrodible sites and their characteristics were introduced of the prefractionation system, air preheaters of heating furnace and product air coolers etc,and chlorine corrodible sites and their characteristics were also presented of the thermocouple casing tubes, product air coolers and fire arrestors of heating furnace etc in the catalytic reforming and diesel hydrogenated unit s.

介紹了中國(guó)石油哈爾濱石化公司催化重整及柴油加氫裝置在預(yù)分餾系統(tǒng)激情视频与图片、加熱爐空氣預(yù)熱器福利视频免费观看、加氫裝置反應(yīng)產(chǎn)物空冷器等處易發(fā)生硫腐蝕和在預(yù)加氫熱偶套管、加氫反應(yīng)產(chǎn)物空冷器欧美一级爱a免费观看、加熱爐阻火器等處易發(fā)生氯腐蝕的部位及其表現(xiàn)特征男女激情一区二区视频，指出裝置在低溫(不高于120℃)、含水成人免费黄色、容易被堵塞的部位易形成HCl-H2S-H2O腐蝕體系欧美一级aa视频，分析了腐蝕原因和介質(zhì)來(lái)源，總結(jié)和提出了開(kāi)好原油的電脫鹽全国产在线、采用脫氯技術(shù)迷j白嫩玩弄灌醉在线视频、加強(qiáng)對(duì)加熱爐的排煙溫度控制和腐蝕介質(zhì)的精制與凈化、加大空冷器的注水量等針對(duì)性防腐經(jīng)驗(yàn)和措施秋霞超碰淫乱c。

This article introduce the technologic character and the applicative condition of ACCC (Aluminum Conductor Composite Core/Trapezoide Wire) about the high intensity, high capacity, high heat-resistant capacity, high endurance of corrodible, low loss of a line and low an arc.

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