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- To fulfill the need of high drilling quality and high drilling speed, more rapid and precise observations need to be done on rock drillability. 为满足优质高速钻井的要求,需要对岩石可钻性做出快捷、精确的判断。
- Locale application indicates that it has high drilling speed,longer drilling life and lower cost,and it can be better to meet the demand of exploration engineering. 现场应用情况表明,该种钻头具有高时效、寿命较长、成本较低的优点,能更好的适应勘探工程的需要。
- Two key factors for drilling high quality holes of carbon fibre reinforced plastics, which are to keep the fine sharpness of the cutting lip of the drill and to use high drilling speed are discussed. 探讨了获得钻削碳纤维复合材料高质量孔的两个关键因素:保持钻头切削刃的良好锋利性和采用高的钻削速度。
- On Extracting Gas from Working Surface with High Drill Holes in Wind Lane 利用风巷高位钻孔抽采工作面瓦斯
- She skirted round the problem of the high cost. 她避而不谈巨额费用问题。
- Men and birds are fain of climbing high. 不论人还是鸟都愿意往高处攀。
- The bird sang high and clearly in the tree. 鸟儿在树上清脆地高歌。
- Goods of high quality are few and far between these days. 质地精美上乘的物品现在不多见。
- The medieval town was fortified with a high wall and a deep moat. 这座中世纪的城市周围建有城墙和护城河。
- I set a high value on his advice. 我认为他的忠告很有价值。
- Many competitors have entered for the high jump. 已有许多人报名参加跳高比赛。
- She enjoyed high prestige among the masses. 她在群众中享有很高威信。
- The dresses in the shop are priced high. 这家商店的衣服定价很高。
- The high salary reconciled me to living abroad. 我为获高薪也只好在国外生活。
- Trucks shuttled to and fro on the high ways. 车辆在高速公路上穿梭行驶。
- These rocks are awash at high tide. 这些礁石在涨潮时被海水淹没。
- A high wall fetched in an ancient small town. 一道高高的城墙围绕着一座小小的古城。
- I am glad to always find her in high spirits. 我对经常看到她情绪高涨感到很高兴。
- He had a high fever which nearly finished him off. 他发了一次高烧,差点把命送了。
- I hung up a school record for the high jump. 我创造了学校的跳高纪录。