Helical rotor is the most important part of rotor flow meter, and its section shape is normally formed by involute and cycloid.
螺旋转子是转子流量仪表中的心脏零部件，其截面形状一般由渐开线和摆线组合而成。
It comes just six months after Norway promised the world's largest wind turbine, with its 145 meter rotor diameter, to be built and contributing to the country's power grid by 2011.
这发生在挪威承诺将要建设具有145米转子直径的、世界上最大的风力涡轮机，并且在2011年前为该国电网作出贡献之后仅仅六个月。
Practical problems concerning direct current measurement in very shallow water including the dynamic equation and performance of a rotor type current meter are discussed in this paper.
本文简要介绍了超浅海水域中直接测流的实际问题，讨论了海流计的动态方程及其特性。
The analysis is offered to the problems existing in the aspects of structure design, processing assembly quality and measurement range of rotor flow-meter used in Bonan oilfield for many years.
对胜利渤南油田多年使用的旋翼式流量计(高压水表)在结构设计、加工装配质量以及计量范围等方面存在的问题进行了分析。
The results show that the relationship between the flow and the height of the rotor is not linear, and that the flow scale on the meter is uneven.
并认为流量与转子所处的高度非线性关系；流量的刻度标定也是非简单线性变化。
The results show that the relationship between the flow and the height of the rotor is not linear, and that the flow scale on the meter is uneven.
并认为流量与转子所处的高度非线性关系；流量的刻度标定也是非简单线性变化。
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