双钻（Twintwist），变形金刚漫画角色，博派汽车人成员。
佳士得拍卖行将展示一枚由珍稀三角蓝钻与白钻搭配的特色双宝石金指环。
The auction house, Christie's will soon be offering a two-stone ring featuring an extremely rare triangular-shaped blue diamond paired with a white diamond on a gold band.
与双感应测井类似的一种测井方法，用安装在钻铤中的电磁传播仪进行测量。
A log similar to a dual induction log but made by an electromagnetic propagation tool built into a drill collar.
运用近频摄动理论分析了双轴钻床钻轴刚度失谐后对钻轴系统固有振动频率的影响。
The effect of the detuning of the stiffness of drilling spindle on the frequency of double spindle drilling machine is discussed by using Perturbation theory of nearly equal frequencies.
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