a strong wind moving 45-90 knots; force 7 to 10 on Beaufort scale.
速度为节的猛烈的风；风力级（蒲福风力等级）。
gravitational roughing air classifier
重力式粗选风力分级机
an international scale of wind force from 0 (calm air) to 12 (hurricane).
从0级（气流平静）到12级（飓风）的国际风力等级。
wind moving 25-31 knots; 6 on the Beaufort scale.
速度为节的风的移动；级风（蒲福风力等级）。
The wind had piped up to a gale overnight.
一夜间风力增加到八级。
The force of the wind is measured on a standard scale of 0-11.
风力是按0-12 级标准等级测量的。
The force of the wind is measured on a standard scale of0-12
风力是按0－12级标准等级测量的。
Today the direction of wind changes from north to east, scale 2 to 3.
今天风向北转东, 风力2-3 级。
air way slits in rotor
转子上的条形风力分级孔
The wind had piped up to half a gale overnight.
一夜之间风力已增强到八级。
Performance Study on Resistance and Efficiency of the Two Stage Cyclone Separator;
两级疏水旋风子阻力与效率性能研究
Design of MW Grade Direct-Driven Permanent-Magnet Synchronous Generators for Wind Turbines;
MW级直驱永磁同步风力发电机设计
The Design and Research of the Yaw Control System for MW Rated Wind Turbine;
兆瓦级风力机偏航控制系统设计研究
The Study on Pitch Control System of MW Rated Wind Turbine;
兆瓦级风力机变桨距控制系统的研究
Research on Megawatt Wind Turbine Pitch-regulated System;
兆瓦级风力发电机组变桨距系统研究
Study on Structural Design of MW Class Suction Wind Turbine
MW级吸力筒式海上风车结构设计研究
Finite Element Analysis for MW Wind Turbine Tower
MW级风力发电机组塔架的有限元分析
Research of Megawatt-class Wind Turbine Control Technology
兆瓦级风力发电机组控制技术的研究