查询词典 helicoid
- 与 helicoid 相关的网络例句 [注：此内容来源于网络，仅供参考]
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Helicoid hydraulic motor makes up of bypass valve, motor, universal joint and transmission shaft, whose driving force is wellbore circulating fluid. It can be applied to bridge plug or cement plug treatment combined with grind shoe and other tools by mechanical energy for bottomhole rotation transferred from the energy of high pressure fluid.
螺杆钻具是以井筒循环液体为动力的井下钻具，由旁通阀、马达、万向节和传动轴4部分组成，其工艺特点是将高压液体的能量转变为井下旋转的机械能，带动井下磨鞋或其他工具，来处理井筒桥塞或水泥塞。
- 推荐网络例句
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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.
每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。
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Maybe they'll disappear into a pothole.
也许他们将在壶穴里消失
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But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.
但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。