杆

The expansion index of product, the productivity and power consumption of the extruder were measured.

通过挤压机螺杆与螺套之间的间隙、螺杆转速和物料含水率的变化，对产品的膨化指数，挤压机的生产率和功耗进行测定，分析在不同工况下挤压的工作情况以及产品特性。

It is measured precisely as the angle between the face and a line parallel to the shaft.

如果精确测量，斜角是杆面与平行于杆身球线之间的角度。

The three fail form of scoring,fillister and corrosion for 127 mm(5) S135 drill rod joint ,corrosion rate and corrosion production have been researched by means of analysis of chemical composition and microstructure,testing of mechanical property.

通过化学成分分析、力学性能测试、组织结构分析和高温高压模拟试验，对127 mm(5)S135钻杆接头内壁出现划痕、凹槽和腐蚀三种失效形式，钻杆的腐蚀速率和腐蚀产物进行分析研究。

Victory seemed inevitable for Woods, as it often does at Firestone, when he turned a

13洞他拿下了20英尺小鸟推，在换场的几洞里将两杆劣势转化为了三杆优势。

By the method of transforming the node DOF of the space bar element to the node DOF of the space virtual laminated element ,that is,the node of bar element need not fixed on the node of space solid element,the prestressed concrete structure were simulated together.

通过自由度变换，把空间杆单元的节点自由度用空间虚拟层合单元的节点自由度来表示，即杆单元的节点无需固定在体单元节点上，共同模拟了预应力混凝土结构。

Design accord with API 6A Norm; Body of valve with valve lids, Flashboard with valve set according to needs adopt metal with metal seal up or nonmetal seal up, Valve rod and valve lid between with fall seal up convenient for valve bring press replacing valve stem packing, Dense cover built-up welding hard alloy,Endures cauterization, Endures impact.

设计符合 API 6A 规范；阀体与阀盖、闸板与阀座根据需要采用金属与金属密封或非金属密封，阀杆和阀盖间设有倒密封便于阀的带压更换阀杆填料，密封面堆焊硬质合金，耐腐蚀、耐冲击。

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。

Fourier analysis consists of Fourier series which can solve limited one-dimensional space Heat-conduction question and Fourier integral which can solve infinite one-dimensional space Heat-conduction question. This is more systematic compared with the other methods, and embodies corresponding beauty of Mathematics to Physics.

傅里叶分析包括傅里叶级数和傅里叶积分，用傅里叶级数法解决有界细杆的热传导问题，用含参数的傅里叶变换法解决无界细杆的热传导问题，比其它方法更系统，体现出一种数学与物理对应的美感。

The free-running operation pattern is perfect, and the power dissipation between mechanisms is minimum.

详细分析了八轮扭杆摇杆摇臂月球探测车轮子的运动情况和受力分析，提出了5种轮子操作模式，指出月球车在自由操作模式下的运动是比较理想的，机构间的能量损耗是最小的。

Group of Seven holding company subsidiary, is the design, development, manufacturing, sales, service integrates a variety of double-screw pump, the three screw pumps, high pressure hydraulic gear pumps, low pressure and vacuum pump gear-driven products Specialization large manufacturers.

集团下属七大控股公司，是集设计、开发、制造、销售、服务为一体，以各种双螺杆泵、三螺杆泵、高压液压齿轮油泵、低压齿轮输油泵及真空泵为主导产品的专业化大型生产厂家。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。