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- 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。
- Laboratory research of nitrogen flooding in Wen 188 block 文188塊氮氣驅室內試驗研究
- The flood cut a wide swath in this area. 洪水席卷了這一地區,滿(mǎn)目一片瘡痍。
- Air consists chiefly of nitrogen. 空氣主要由氮氣組成。
- A flood of this sort is really unprecedented. 這樣大的洪水真是十年九不遇。
- The flood did a lot of damage to the crops. 洪水毀壞了大量農作物。
- A flood of cheap imports has come into the shops. 大量廉價(jià)進(jìn)口商品涌入商店。
- A purse has been made up for the flood victim. 已經(jīng)為水災災民募捐到一筆款子。
- Nitrogen forms most of the Earth's air. 地球上空氣的大部分成分是氮氣。
- The old bridge gave away by the recent flood. 最近一場(chǎng)洪水沖坍了那座舊橋。
- The flood inundated the whole district. 洪水淹沒(méi)了整個(gè)地區。
- The lamp is full of gaseous nitrogen. 燈里充滿(mǎn)了氣體氮。
- Memories of his childhood came flooding back. 他童年的往事涌上心頭。
- Fortunately, the flood did not break the dike. 還好,這場(chǎng)大水沒(méi)有把堤壩沖壞。
- Nitrogen forms about 78% of the earth's atmosphere. 氮約占地球大氣的百分之七十八。
- The flood waters gradually subsided. 洪水逐漸退去。
- This story is about people anterior to the flood. 這個(gè)故事是關(guān)于洪水時(shí)期以前的人們的。
- Several houses were carried away during the flood. 很多房子在洪水中被沖走了。
- Her child was washed away in the flood. 她的孩子讓洪水給沖走了。
- Our house was washed away in the flood. 我們的房屋在洪水中被沖走了。