中杆

TWT's two thousand various products are widely used in hydraulic generations,city plumbing ,wastewater treatment facilities,petroleum and chemical industries ,heating supplies ,and any other water related business.Among them,Water butterfly valves,DB flange butterfly valves and Tri-eccentric compound ring metal seated butterfly valves won the State New Products awards in 1994,2000,and 2001,respectively. The butterfly valve series carryings the "TWT" brand name was selected for the Famous Brand Product of Tianjin Award by the Tianjin government .

上述产品广泛应用于水源工程、城市给排水、污水处理、发电、石油、化工、供热、船舶、医药、冶金等行业管路系统中作为截流和调节设备使用，其中对夹式蝶阀、DB型法兰蝶阀、三偏心复合圈金属密封蝶阀、软密封明杆闸阀分别被评为1994年度、2000、2001、2002年度国家级新产品，"TWT"牌系列蝶阀被天津市政府授予"天津市名牌产品"、"外地市场受欢迎的天津产品"称号。

The rod-shaped filaments of the microtubules are responsible for dividing the chromosomes in a cell.

微管杆形丝担负划分细胞中染色体的角色。

Escherichia coli A rod-shaped Gramnegative bacterium, some strains of which are normally present in animal intestines, soil, or water.

大肠杆菌：是一种杆状的格兰氏阴性菌，通常存在于动物肠内、水中或土壤中。

"In Romanesque and Gothic architecture, a feature of the nave arcade is the compound pier, which is cross-shaped in cross section, with shaft s placed in the recesses."

在罗马式和哥德式建筑中，中央广场的拱廊就是用的墩。这种墩的横截面采用的是十字形，并在凹壁处装有杆状物。

"In Romanesque and Gothic architecture, a feature of the nave arcade is the compound pier, which is cross-shaped in cross section, with shafts placed in the recesses."

在罗马式和哥德式建筑中，中央广场的拱廊就是用的墩。这种墩的横截面采用的是十字形，并在凹壁处装有杆状物。

"In Romanesque and Gothic architecture, a feature of the nave arcade is the compound pier, which is cross-shaped in cross section, with shafts placed in the recess es."

在罗马式和哥德式建筑中，中央广场的拱廊就是用的墩。这种墩的横截面采用的是十字形，并在凹壁处装有杆状物。

During the process of the automatic drilling ,iron roughneck is the most developed equipment of pipe handling operation and one of the most important automatic equipment which can complete connection of the pipe,casing and other equipmenu and improve the safety and efficiency in oil production.

在自动化钻井生产中，铁钻工是目前最先进的扭矩旋扣设备，可完成钻杆、套管等钻具的旋扣连接工作，提高生产效率和安全性，是现代化钻井中重要的自动化设备之一。

The hidden functions in the dynamics model are found out by using numerical methods such as Runge Kutta method and Finite Element method.

设计一种基于压杆屈曲原理的数字微镜装置，针对该装置建立机电动力学模型，应用龙格库塔法和有限元数值方法求解其动力学模型中的隐函数。

The thesis studies the necessity and rationality of using the technology of variable frequency drive to resolve the bottleneck in SPCP s driving system, and describes the hardware developing process of sample of the variable frequency drive .

本文主要论述了，在潜油螺杆泵采油系统中应用变频驱动技术来解决这一问题的必要性和合理性，并详述了试验样机的硬件开发过程。

Any of numerous gram-negative, rod-shaped saprophytic bacteria of the phylum Myxobacteria, typically found embedded in slime in which they form complex colonies and noted for their ability to move by gliding along surfaces without any known organ of locomotion.

粘杆菌粘细菌目中的一种革兰染色阴性的、且呈杆状的腐生细胞，通常存在由粘液包围形成混合的菌落，以其没有任何可知的移位器官却能靠表面滑行的能力而闻名

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。