您要查找的是不是：
- variable pitch propeller logbook 变距螺旋桨记录簿
- Variable Pitch Propelled 变距螺旋桨
- The horizontal anger has a variable pitch. 横向搅龙具有可变的螺距。
- hydraulic variable pitched propeller system 液压变桨系统
- If this value is set, the font is a variable pitch font. 如果设置了此值,则该字体为可变间距字体。
- variable pitch propeller 可掂螺旋桨,变距螺旋桨
- It introduces the motion requirement and the structural characters of yawing and variable pitch. 摘要简述了偏航和变桨距系统结构特点和动作要求。
- Also the technique has important value on the machining of variable pitch screw. 以上工艺方法对加工变螺距螺杆同样具有重要参考价值。
- A variable pitching moment is provided by moving the elevator. 俯仰力矩的变化由升降舵的偏转来提供。
- Bottles are separated with a variable pitch serew for bottle input and output and conveying belat,which run very smoothly in operation. 进出瓶采用变螺距螺杆分瓶，采用进口变频、输关带运送，运行时非常平稳。
- The double-screw squeezer has a tapered intermediate shaft and the helical blade with variable pitch, and can squeeze fish stock and expel most of the water and fat. 双螺杆中间轴变径、螺旋叶片变距、对鱼料形成压榨、排出大部分水分脂肪。
- Related to the example of the variable pitch inducer, in it, the distribution of velocity and pressure are taken out and the trace of the particle are plot and the main characteristic of the interior fluid field are described. 结合变螺距诱导轮的实例,给出了变螺距诱导轮内部速度与压力的分布情况以及粒子流动迹线图,得到了其内部流场的主要特征。
- This paper introduces a design method of variable pitch screw, This methed make use of multinomial, bring out the boundary conditions which the design need and the operating range of the methed. 本文介绍了一种变螺距螺杆的设计方法，该方法采用多项式，并提出了设计所需的边界条件和这种方法的使用范围。
- A fuzzy PID-PID dual-mode variable pitch controller is designed.Based on these, the VSCF wind turbine system running in the whole working wind speed range is studied by simulations. 此外，该文设计了基于模糊规则切换的模糊PID-PID双模变桨距控制器，在此基础上对变速恒频风力发电系统在全风速范围内的运行进行了数字仿真研究。
- Introduces the properties of controllable pitch propeller system, the simulation math models of all ships parts and the designs of fuzzy controller. 介绍了可调螺距螺旋桨系统的特点及其船舶各模块的仿真数学模型和模糊控制器的设计。
- On the base of controllable pitch propeller thruster, and discusses the thruster's construction, interface, operation mode and control method. 介绍船舶艏侧推装置的基本原理及应用,重点介绍了可调距桨艏侧推装置的组成部分,接口,操纵模式及系统的控制方式。
- The propelling plant consists of a slow speed, reversible diesel engine driving a fixed pitch propeller through a forged steel shafting. 驱动装置包括由1台低速、可逆柴油发动机通过锻钢材料的轴系驱动1只定距桨。
- Variable pitch cylindrically helical spring 不等节距圆柱螺旋弹簧
- She has keyed the piano up to concert pitch. 她已经把钢琴的音调升到音乐会的音高标准。
- The runner went to second base on a wild pitch. 一记瞎设让跑垒员跑上了第二垒。
