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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。
- 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.
- 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。
- 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。
- Specialized PDC cutters extends bit life in soft formation with medium hard and abrasive layers. 新型复合片及布齿可提高钻头在含中等硬度和研磨性夹层的软地层中的使用寿命.
- Applicable to sticky soft formation with medium hard and abrasive interbedded layers. 可钻中等硬度带研磨性夹层的粘软地层.
- Study on Hard and Medium Hard Formation Coring Technology in Shengli- offshore Oil field 胜利浅海中硬和硬地层取心技术分析
- 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。
- Medium hard type, good colour dispersing, good surface glossy，nonstick surface, good properties of anti-swelling. 特性及用途Characteristics and Applications: 中硬质，展色性佳，滑爽度佳，耐膨润性佳，表皮成膜不粘连。
- Pine is medium hard, whitish to yellowish in colour, long-figred, tough with a plain grain pattern. It is suitable for masts, yards and planking. 松木是中等硬度，颜色白至浅黄，坚韧，长纤维带清晰纹理图案。它适用于桅杆、帆桁和船壳板。
- 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 ;
- Double-ray roller reaker i mainly used i crushing medium hard material like ore, coal, coke, lag etc. it i mainly a licable to mineral, electrical ower lant, coal, co truction, chemical lant etc. 双光辊破碎机主要用来破碎矿石，煤，焦碳，炉渣等中硬度物料，广泛应用于矿山，电力，煤炭，建筑，化工等行业。
- Pine is a soft wood and teak is a hard wood. 松木是软木，柚木是硬木。
- New (medium hard) Emerald laminated cue tips are made with recycled pig leather splits and laminated with water based custom-made adhesives to get the maximum strength for lamination. 新（中硬）复合线索提示是作出回收猪皮革的分裂以及与水夹层的定制粘合剂以获得最大强度为层压翡翠。
- With the rock breaking test,the pick shape inserted tooth rolling cuter has obtained a rock breaking result and is suitable to be applied to the drilling in the hard rock and medium hard rock. 通过破岩试验,镐形镶齿滚刀有较好的破岩效果,适合于在硬岩及中硬岩层中推广应用。
- Soft drinks are much in demand this hot weather. 这么热的天气，软饮料需求量很大。
- 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。
- He was fawning on a damsel with soft words. 他正用甜言蜜语向一位女郞献殷勤。
- The compressibility of vuggy rocks with medium hardness is usually small and can be neglected in the calculations of reservoir engineering. 计算结果还表明,中等硬度的岩石溶洞的压缩系数都很小,油藏工程计算中可将其忽略。
- I've always had a real soft spot for him. 我一向对他挺有好感。
