pdc的例句大全

the anti-impact property of pdc increased massively from flat, v vessel, u vessel, ring vessel to ring claw-tooth on the tooth shape of wc-co substrate.

随着WC-Co基体上的齿形由平面→V形槽→U形槽→环形槽→类环爪齿的变化，PDC的抗冲击性性能大幅度增加。

a domain is a logical group of users and resources under the control of one server, called the primary domain controller (pdc).

一个领域是指由使用者及资源所组成的一个逻辑群组，该群组被一台称为主要领域伺服器（PDC）所控制。

the triaxial compressive strength of rock is one of the most important formation parameters of drillability, and is the principal basis of polycrystalline diamond compact ( pdc) bits selection.

岩石三轴抗压强度是表征地层抗钻性质的重要参数之一，是PDC钻头优选的基础和主要依据。

numerical simulation study on bottom hole flow field of pdc coring bits

PDC取心钻头井底流场的数值模拟研究

design of the experimental instrument for pdc bit downhole flow field testing

PDC钻头井底流场实验装置设计

analysis of bottom-hole stress field of two-stage pdc bit

双级PDC钻头井底应力场分析

experimental study on the characteristics of fluid distribution at bottomhole of pdc bits

PDC钻头井底液流分布特性的实验研究

the study of the pdc anti-whirling

PDC钻头在井底的涡动分析研究

and the jet flow field of 4 nozzles of a pdc bit is tested by simulating the bottomhole flow field of the bit.

在模拟PDC钻头井底流场的条件下，对PDC钻头4个喷嘴的射流流场进行了测试。

the mechanics mechanism of heightening rop is studied through comparing the stress field of two-stage pdc bit with that of regular pdc bit.

对比双级PDC钻头和常规PDC钻头的井底应力场，研究了其提高机械钻速的力学机理。

the overall characteristics of flow field are analyzed and various influences of nozzle diameter on the downhole flow field of pdc bits are obtained.

分析了流场的总体特点，得出了喷嘴孔径对PDC钻头井底流场的各种影响。

the flow field of pdc bits is very complicated during drilling process, while optimizing its hydraulics parameters is an effective method to improve its drilling performance.

PDC钻头在实钻过程中井底流场非常复杂，而优化其水力学参数是提高钻头钻井能力的有效手段。

a domain is a logical group of users and resources under the control of one server, called the primary domain controller ( pdc).

一个领域是指由使用者及资源所组成的一个逻辑群组，该群组被一台称为主要领域伺服器（PDC）所控制。

samba implements many useful file ( and print) sharing abilities, such as public shares and per-user shares, and it can even act as a windows primary domain controller ( pdc) on small networks.

Samba实现了很多有用的文件（和打印）共享功能，如公共共享和按用户共享，甚至可以在小型网络上充当Windows主域控制器（primary domain controller，PDC）。

studies on mechanism of interference between pdc cutters and bottomhole

PDC切削齿与井底干涉机理研究

the impact failure mechanism of the polycrystalline layer in pdc was discussed.

并对PDC聚晶层冲击破坏的机理进行了讨论。

PDC bit uses polycrystalline diamond compacts ( PDC ) as cutters.

pdc钻头用聚晶金刚石 ( 复合片 ) 作为刀具.

The wear ratio, resistance, integrality and hardness of polycrystalline diamond compacts ( PDC ) are investigated.

通过正交试验法,以磨耗比 、 电阻 、 完整性、硬度为指标,设计了金刚石 复合片 的合成工艺.

The results show that main failure types of PDC well bits are gross fracturing and delamination.

结果表明,PDC钻头 切削齿的微断屑、宏观破裂及剥离失效形式是造成PDC钻头早期失效的主要形式和原因.

The fuel pump relay is located in the Power Distribution Center ( PDC ).

燃油泵继电器位于动力分配中心 ( pcm ).