您要查找的是不是:
- Combining the feature of gas existing and emission from the fourth mine of Hebi Coal Mining Gro... 该成果对高瓦斯厚煤层安全高效开采具有一定的参考价值和指导意义。
- The article analyses the existent problem and gas variety regulation in the coal mine of ShuoZhou City,tallying up a series way of gas prevention and cure. 文章对朔州市煤矿中存在的诸多问题和瓦斯变化规律进行了分析,总结出一套瓦斯防治的办法。
- A whole tankful of gas dropped away because of the tiny leak. 由于这个小小的漏洞,整整一油箱的汽油都漏光了。
- He's mine of information about insects. 他在昆虫方面有着渊博的知识。
- When wine is fermented it gives off bubbles of gas. 酒发酵时会放出气泡。
- My neighbor is a mine of information about history. 我的一位邻居历史知识十分渊博。
- There are several kinds of gas in the air. 空气中有几种气体。
- A good encyclopaedia is a mine of information. 一部好的百科全书是一座知识宝库。
- A liter of gas has less mass than a liter of water. 一公升气体的质量少于一公升水的质量。
- My grandmother is a mine of information about our family's history. 我的祖母是我们家史的资料库。
- Hearing the hiss of gas, he rushed in and turned it off. 听到煤气的嘶嘶声,他冲进来把它关掉。
- When wine is fermented, it gives off bubbles of gas. 酒发酵时发出气泡。
- Chemists study the nature of gases. 有的化学家研究气体的性质。
- A whiff of gas will quickly put you off. 你吸一口麻醉气体马上就会进入麻醉状态。
- This guidebook is a mine of information. 这本旅行指南是资料的丰富来源。
- On our way to Shanghai yesterday we ran out of gas. 我们昨天去上海途中,车没油了。
- He ran out of gas a mile from home. 他在离家还有一英里的地方把汽油用完了。
- The mining of ore or coal from an open mine. 从敞开的矿井开采矿石或煤。
- Status and Development Trends of Gas Drainage in Coal Mine of China 我国煤矿抽放瓦斯现状及发展前景
- Air is a mixture, not a compound of gases. 空气是气体的混合物,不是化合物。