An efficient lifting line method has been developed for computing the performance of propeller.
本文提供了一种能有效计算螺旋桨性能的方法。
In this paper, a method based on quasi-steady lifting line theory for the prediction of performance characteristics of a propeller working in a non-uniform wake field is presented.
本文应用准定常升力线理论预报船用螺旋桨的性能，建立了适合中型计算机的程序。
This paper introduces a newly-developed technique of using pneumatic lifting bags for repairing bridge projects of the operating line.
介绍了起重气袋技术在运营线“天窗时间”更换桥梁施工中的应用情况。
This is probably caused by the attacker lifting and lowering the pin stack, trying to find the shear-line.
这可能是开锁者试图将高位珠子调整至切线而造成的。
He had been able to go over the figure visiting each point but not going over any line twice or lifting his pencil from the page.
他能越过这个数字，但不能访问每点在任何线两次或解除他的铅笔从页。
In Chapter 3, based upon the blade second-order lifting-line model and rotor free-wake model, an analytical method is developed for predicting the rotor wake structure and BVI airload.
基于桨叶二阶升力线理论和旋翼自由尾迹模型，本文在第三章建立了一个适合于直升机旋翼尾迹结构及桨-涡干扰气动特性分析的方法和模型。
In order to on-line process engine cylinder head vibration signals of mobile equipment, a de-noising method with gradual changing threshold based on lifting wavelet package transform was proposed.
为了实现移动装备发动机缸盖振动信号的在线处理，提出一种基于提升小波包变换的渐变式阈值降噪方法。
To conduct engineering by putting any part of lifting machinery into the overhead power line protection zones.
起重机械的任何部位进入架空电力线路保护区进行施工。
The railway line is opened by stitch wire tools binding to accident of train derailment lifting and jacking recovery.
利用吊索具捆绑对脱线事故机车车辆进行快速吊复、顶复，迅速开通线路。
Slip-line round is a kind of lifting accessories.
滑线轮是起重配件的一种。
The oil-line structure, control system and their working principles of the hydraulic lifting system for the main magnets of CYCIAE-30 cyclotron are introduced.
研究设计了CYCIAE-30回旋加速器主磁铁液压举升系统的油路结构和控制系统，并说明了它的工作原理。
Composition:The whole production line consists of lifting plate, loading and unloading plate, sealed box-type furnace, rinsing machine, tempering furnace and electric control system etc.
组成：整条生产线由剪式升降台、置料台、箱式炉、清洗机、回火炉及电气控制系统等组成。
Today the more and more lifting equipment in middle or lower arch bridge are using pre-forced steel wring line and pre-forced anchor system.
目前，中(下)承式拱桥吊杆越来越多的采用预应力钢绞线和预应力群锚锚固体系。
As the density of larvae was reduced, the volume of water in the rearing chamber was decreased by lifting it up, keeping the water line above the bottom of the rearing chamber.
当幼虫的密度是不断减少，在繁育间内的水通过提起圆筒而减少，保持水线在繁育间底部上。
Bdfor using the sling, it should have a test. The shoice for the lifting point should be on the same line with the center of gravity.
钢丝绳索具在使用前必须先试吊，再正式起吊。先择吊点应与吊重重心在同一条铅垂线上。
The automatic organic fertilizer producing line consists of corn stalk processing apparatus, fermentation tank, stoving machine and vertical lifting mixer connected together.
本发明涉及一种有机肥料自动化生产线，它包括玉米秸秆加工装置，发酵罐，烘干机，立式提升混料机连接构成；
The automatic organic fertilizer producing line consists of corn stalk processing apparatus, fermentation tank, stoving machine and vertical lifting mixer connected together.
本发明涉及一种有机肥料自动化生产线，它包括玉米秸秆加工装置，发酵罐，烘干机，立式提升混料机连接构成；
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