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- Suitable for coring in medium hard formation with abrasiveness. Core recovery rate is high. 适用于带研磨性的中硬地层取芯,取芯收获率高。
- Suitable for coring in very hard formation with abrasiveness. Core recovery rate is high. 适用于高等硬度及研磨性的地层取芯,取芯收获率高。
- Thisseries of bit is suitable for drilling medium hard to hard formations with high compressive strength and medium abrasiveness. 适合在中硬至硬的高抗压强、中等研磨性的地层中使用。
- Largely for the inserts and buttons of percussion bits and tricone bits to ciut medium-hard,hard,hard,and very hard formations. 主要用作冲击钻、牙轮钻具的钎片、球齿、凿进中硬岩层、硬岩层以及紧硬岩层。
- It is hard to sleep without a cooler in this room. 没有空气调节器,在这间屋里很难入睡。
- Medium parabolic profile and heavy cutter density provides high ROP in medium hard formation with medium compressive strength and small interbedded layers. 中等抛物线冠部和较密布齿使其在中等抗压强度的中硬地层以及薄夹层中能有良好的钻井速度.
- The attack is to wipe out data, to delete flies, or to format the hard disk. 常见的攻击方式是消除数据、删除文件或者格式化硬盘。
- Because of the low penetration rate and loss of fault in block 32 and 53 in YEMEN,the problem of loss was successfully salved by adopting the foam drilling fluid and accelerated the drilling speed in hard formation by applying the air hammer. 也门 32区块和 5 3区块地层可钻性差、存在断层漏失 ,采用泡沫钻井液有效地解决了井漏问题 ,应用空气锤钻井加快了硬地层的钻进速度 ;
- John felt it hard to rig out his family. 约翰感到难以为一家大小置备衣着。
- KQC series of air hammers used in gas drilling can solve certain problems,such as lower ROP(Rate of Penetration) and well deviation,which occurred in mud drilling in above medium hard formation. 在油田气体钻井中使用KQC系列空气锤,解决了泥浆钻井在中硬以上地层中钻速慢、易井斜的难题。
- The hard core in the party make all the decisions. 这个党的核心成员决定一切。
- Hard copy is computer output on paper, printing or graphics. 硬拷贝是出现在纸上、印刷上或图表上的电脑输出。
- I scrubbed hard at the stain to see if I could get it off. 我使劲擦这个污迹,看能不能将它去掉。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- He pushed hard on the brake pedal to avoid a collision. 他使劲踩下煞车踏板以避免撞车。
- One can not learn a language well unless one works hard. 学好一种语言非下苦功不可。
- Let's collect the sap before its consolidation into a hard mass. 让我们在树液坚固成团之前将之收集起来。
- He owes his opulence to work hard. 他的财富乃辛勤工作得来。
- She was trying hard to disgorge a fish bone. 她拚命想把鱼刺吐出来。
- The emery is a hard metallic substance. 金刚砂是非常坚硬的金属物质。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries