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- grouping to prevent coal Dust 注漿防塵
- The coal dust is the main mold sand additive to prevent penetration/burn-in and improve the surface fineness. 煤粉是防止粘砂和改善表面光潔度的主要型砂加入物。
- OBJECTIVE:To prevent and treat contact dermatitis for contacting chemical substance harmful to workers health such as coal dust,tar,anthrone and naphthol,etc. 目的：為防治化工生產(chǎn)由于接觸焦油、瀝青、蒽酮、萘酚等化學(xué)物質(zhì)引起的全身瘙癢、皮炎而研制的有效制劑。
- Dust the repair to prevent adhesion to outer cover. 清整修補處以防與外胎粘連。
- So it takes a lot of effovt for preventing coal spontaneous combustion in per year in coal mine methods are grout nitrogen flooding and even pressure fire-extinguished to prevent coal spontaneous combustion. 為此,煤礦每年都要花很大氣力防止煤炭自燃,采取了灌漿、氮、壓滅火等阻止煤炭自燃的措施。
- The authors have analysed the causes of coal and gas outburst accidents happened in the past years and put forward some countermeasures to prevent coal and gas outburst. 分析了坪湖煤礦歷年來(lái)發(fā)生的煤與瓦斯突出事故的原因,有利于今后坪湖礦采取針對性的措施防治煤與瓦斯突出。
- The composition, function and application situation of four equipment positioning interlocking to prevent coal mixing in coal blending system is desc ribed in this paper. 介紹了配煤四車(chē)定位連鎖防混煤系統的組成、功能及應用情況。
- What can we do to prevent the disease spreading? 我們能做什么來(lái)防止這種疾病蔓延呢？
- Dust the repair to prevent adhesionto outer cover. 清整修補處以防與外胎粘連。
- This device uses such as microcontroller devices, high integration, small size, responsive and reliable security features, such as apply to the need to prevent coal mine gas poisoning incident place. 此裝置采用單片機等器件,具有集成度高、體積小、反應靈敏、安全可靠等特點(diǎn),適用于煤礦等需防止瓦斯中毒事故發(fā)生的場(chǎng)所。
- The authorities took measures to prevent tax fraud. 當局已采取措施防止偷稅漏稅。
- Does prison do anything to prevent crime? 采取關(guān)押方法對制止犯罪有作用嗎？
- Stir the sauce to prevent it lumping. 把沙司攪拌一下以免結塊。
- His face and hands were covered with coal dust. 他的臉和雙手沾滿(mǎn)了一層煤灰。
- We should take steps to prevent war. 我們應當采取措施制止戰爭。
- Seal (up) the window to prevent draughts. 把窗戶(hù)封起來(lái)以防風(fēng)。
- His face and hands were covered with grime from the coal dust. 他的臉和雙手沾滿(mǎn)了一層煤灰。
- I was powerless to prevent the accident. 我無(wú)力阻止事故的發(fā)生。
- A block of compressed coal dust, charcoal, or sawdust and wood chips, used for fuel and kindling. 煤磚，炭磚把煤灰，木炭或鋸木灰和木片壓縮制成的磚塊狀物，用作燃料和點(diǎn)火
- We have banked up the river to prevent flooding. 我們已沿河筑堤以防河水泛濫。
