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- In many medium-hard rock stratums,carbide alloy bit and steel ball percussion tools can be used together for higher ROP and better coring result with borehole deflection preventing. 在大量遇到的中硬岩层中采用硬质合金钻头+球体冲击器实现回转冲击钻进可明显提高机械钻速和取心效果,并防止孔斜,具有很好的推广前景。
- Study of Tooth Fixing Technique for Hard Alloy Bit 硬质合金钻头固齿工艺的研究
- He bit off a large piece of the apple. 他咬下一大块苹果。
- She was a bit queer after her husband deserted her. 她遭丈夫遗弃後精神有点失常。
- I reckon the girl is a little bit boyish. 这想这个女孩有点男孩子气。
- The seedling have shrivel up a bit in the hot sun. 在炎热的太阳光下，幼苗已有一点乾枯。
- A bit of embrocation will soothe your bruised knee. 用一点搽剂可使你那青肿的膝部消肿。
- The love scenes in the play were a bit overdone. 剧中的情爱场面演得有点过火了。
- It's an alloy not readily drillable. 这是不易钻洞的合金。
- I'm a little bit tired. Let's take a short rest. 我有点累了。让我们休息一会儿。
- Setting up this business was a bit of a gamble. 开办这样的公司有点冒险。
- It wouldn't do him any harm to work a bit harder. 工作努力点对他没什么害处。
- He only put a bit on his plate to make fashion. 他只是拨了一点食物到盘子里做做样子。
- He read all the interesting bit in the newspaper. 他把报纸上点点滴滴有趣的新闻都读了。
- Sale is down a bit due to the revaluation. 由于货币升值销售额有下降。
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- A stable, corrosion-resistant zirconium alloy. 锆合金一种稳定而防腐蚀的锆合金
- We're a bit cramped for space in this attic. 在这间阁楼里我们有点活动不开。
- Let the broth simmer down a bit more. 让肉汤炖得再久一些吧。
- He thinks the vegetable is a bit tasteless. 他觉得蔬菜没有什么味道。
