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- New type PDC cutters and heavyset gage design promote longer bit life in hard and abrasive formations. 新型切削齿及高密度保径布齿提高钻头在硬研磨性地层中的使用寿命.
- CSE、SEC/ECP cutter to promote longer bit life for the full spectrum of formations. CSE齿，SEC/ECP布齿提高在含硬夹层的软地质层中使用寿命。
- 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.
- Spiral gage improves bit guiding ability, extends bit life through abrasive formations and hard interbedded layers. 螺旋保径在研磨性地层及夹层中钻进可改善钻头的导向性;延长钻头寿命.
- PDC bit have advantages of high penetrate rate,long bit life which saving tripping times so that the application of PDC bit can improve drilling efficiency. PDC钻头具有钻进时间长、机械钻速高、起下钻次数少等特点,使用PDC钻头可大大提高钻井速度。
- He bit off a large piece of the apple. 他咬下一大块苹果。
- He dedicated his life to science. 他毕生致力于科学事业。
- It is a fact of life and you must face it. 这是严酷的现实，你必须面对它。
- She was a bit queer after her husband deserted her. 她遭丈夫遗弃後精神有点失常。
- It's only human nature to want a comfortable life. 想过舒适的生活不过是普通人的本性。
- Well, I mentioned mature, I guess to mean that someone live a little bit, see a little bit life, I mean she maybe see more life than we know.Maybe she is very artistic, so she is sensitve. 我说的成熟，我想指的是有的人涉世较深，她也许经历的比我们知道得要多。
- Try and cheer up a bit; life isn't that bad! 想办法高兴点儿,生活并不是那么糟！
- She is in the primrose of her life. 她正处在她一生的最盛期。
- I reckon the girl is a little bit boyish. 这想这个女孩有点男孩子气。
- He tends to idealize his life in the army. 他总想使自己在军队里的生活理想化。
- Do you think Jack could bite in his secret want? 你以为杰克能忍住不说出他藏在心里的欲望吗？
- Our life was unadulterated bliss. 我们的生活幸福极了。
- 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。
- Life's primordial reality is spirit. 生命的根本真实性是精神。
- The little cat gave me a playful bite. 小猫顽皮地轻轻咬了我一下。
