This paper analyses the factors that affect the contact stress of rock bit journal bearing.
文章分析了牙轮钻头滑动轴承接触力学性质的影响因素.
互联网摘选
剩余油分布的评价,对优化加密井钻井井位,加强油藏管理都是十分重要的.
互联网摘选
But it's well beyond the reach of the most lovestruck men-50 light years to be precise.
但是这颗钻石是绝大多数热恋中的男人怎么也够不着的 -- 精确的说距离有50光年.
互联网摘选
Wall thickness, length, thread of flat drill rods can be made according to your requirements.
外平钻杆的壁厚, 长度, 螺纹可按客户要求配置.
互联网摘选
We do our best to make a lot of achievements the innovation and the hard work.
锐意创新,刻苦钻研,使我们取得了不断的成功.
互联网摘选
The 15-diamond ring is an award for the Lakers'15 th NBA championship.
镶有15颗钻石的戒指是对于湖人队第15次蝉联NBA冠军的褒奖.
互联网摘选
Bearing quickly losing effectiveness will lead to the manifest reduction of its service life.
轴承的快速失效,导致牙轮钻头寿命的明显降低.
互联网摘选
The motion and force of cone bit is extraordinary complex on bottom hole.
牙轮钻头在井底工作时的运动状态和受力情况是相当复杂的.
互联网摘选
综合分析了国内外牙轮钻机的现状及发展趋势.
互联网摘选
The chick finally broke through the shell and struggled out ( of it ).
小鸡终于破开蛋壳,挣扎着 ( 从中 ) 钻了出来.
词典精选例句
几乎每一粒钻石都会含有一些瑕疵, 也就是大自然形成的“胎记”.
互联网摘选
Maybe it's the sound of Ross climbing into my brain and stealing my thoughts.
也许这声音来自罗斯,他正往我的脑袋里钻,企图窃取我的思想.
电影对白
到2011年为止,休斯顿共发行了7张音乐专辑,3张电影原声专辑,所有专辑都有钻石唱片、多白金唱片、白金唱片及金唱片的认证。
互联网摘选
