face-pumping 中文意思是什麼
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The results showed that controlling methane in shaqu coal mine by incline high - position alley pumping was very efficient, a great deal of high - concentration methane had been taken out with the pumping system, and this technique supplied a technical guarantee for safe production in the working face
研究表明，在沙曲礦三軟條件下近距離高瓦斯煤層群實施傾斜高抽技術治理瓦斯效果明顯，能夠抽放出大量的高濃度瓦斯，為工作面的安全生產提供了技術保障。 -
Ansari ' s husband, hamid ansari, watched the liftoff stoically, but her sister ' s face was streaked with tears and her aunt jumped up and down, shrieking and pumping her arms in the air
安薩里的丈夫哈米德?安薩里顯得比較平靜，而安薩里的妹妹已是淚流滿面，她的阿姨則不停的上下跳著，尖叫著，揮動著雙手。 -
Ansari ' s husband, hamid ansari, watched the liftoff stoically, but her sister ' s face was streaked with tears and her aunt jumped up and down, shrieking and pumping her arms in the air. nasa flight director robert dempsey said ansari ' s presence was a plus to the mission
安薩里的丈夫哈米德安薩里顯得比較平靜，而安薩里的妹妹已是淚流滿面，她的阿姨則不停的上下跳著，尖叫著，揮動著雙手。 -
The characters of methane emission at the working face no. 14201 in shaqu coal mine were analyzed, the technical parameters to control methane by incline high - position alley pumping were optimized, and its control efficiency was investigated
摘要分析了沙曲礦14201工作面的瓦斯湧出特點，對傾斜高抽巷治理瓦斯的工藝技術參數進行了優化，觀測了高抽巷治理瓦斯的效果。
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