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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Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .
从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。
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Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.
蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。
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The almost sure central limit theorem is a pop topic of the probability research in recent years,because it has many actual applications in the random analogue.
中文摘要：几乎处处中心极限定理是近几十年概率论研究的一个热门话题。它之所以引起人们的注意是由于它在随机模拟方面的实际应用参见Fisher