查询词典 rod

The new technology makes the sucker rod string downwards easily by applying a downward hydraulic force at the bottom of the hollow sucker rod string, which effectively solves the problem of large drag force on the downstroke in the present technology of this kind.

介绍了一种新型空心杆采油工艺技术，这种技术采用了具有液力反馈原理的空心杆抽油泵，该泵的特点是能有效地减小空心杆的下行阻力，并能增加抽油杆的下行动力。

According to elastodynamics theory, the dynamic model of machining the slender rod is founded by axial turn -milling, the calculation formula of the natural frequencies and the main vibration mode are ob- tained, and the dynamic response of the slender rod forced vibration is studied under simple harmonic excitation.

根据弹性体动力学理论，建立轴向车铣细长杆的动力学模型，得到了各阶固有频率和主振型的计算公式，分析了在简谐激励下细长杆强迫振动的动力学响应。

In order to solve the thermal effect problem of laser rod by diode laser end-pumped,based on the heat conduct theory,a novel eigenfunction group of heat conduction equation was established and the general solutions of temperature field and thermal distortion field within laser rod were obtained.

为了解决激光二极管端面泵浦激光棒引起的热效应问题，基于热传导理论，建构了热传导方程新的本征函数解，得出了激光棒内温度场与热形变场的一般解析表达式。

It prevents the fishing rod to slip from your hands and it allows you to release the rod easily.

它妨碍钓竿下滑，它允许你从你的手中释放杆容易。

They are used in conjunction with the fly rod and are attached to the base or handle of the rod.

它们被用来与飞棒连接到基地或处理的棒。

Fishing Rod and Fly Rod Information on basic types.

钓鱼竿和飞棒资料基本类型。

Based on the analysis of rod under vertical dynamical load this paper deals with the influence of deformation of shearing and turn inertia force of rod on dynamical stability problems and turn inertia force in practical engineering.

本文通过杆在竖向动力荷载作用下的研究，探讨了剪切变形效应和转动惯性力对杆的动力稳定性的影响，并讨论了实际工程中是否考虑剪切变形和转动惯性力的问题，可供实际应用中参考。

The fox trotting rod to mention, bamboo vines head into the ground, accurately, bamboo foxes paddle is pretty high and cast down, freedom, rod fox successfully passed high grape, safely landed soft grass.

狐狸提竿快步向葡萄藤奔去，竹竿头准确地插入了地面，竹竿将狐狸高高荡起，然后是漂亮的抛竿动作，自由下坠，狐狸成功地跃过了高高的葡萄架，安全地落到了松软的草地上。

During rod drop transient, the interaction between pellet and cladding increases instantly, which may leads to failure of fuel rod.

当反应堆发生落棒事故时，燃料芯块与包壳的相互作用瞬间增强，易造成燃料棒破损，从而影响核电站的正常运行。

Also calculated are dynamic heat transfer characteristics in the fuel rod under different pressure and it is found that we can use the temperature raising speed at x=14.5 cm to calculate helium pressure in the fuel rod.

通过用RODTRAN程序计算各种不同压力情况下的燃料棒动态传热特性，发现利用x=14.5cm处的包壳表面升温速率可以推算燃料棒内的氦气压力，氦气压力的测量精度可小于5％，也就是说可以区分1.9MPa和2.0MPa的压力差别，此时的最大温差可达0.5℃，同时也发现压紧弹簧段的温度响应比铀芯块段要快。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷