luffing
n.
俯仰运动，上下摆动，起重机臂的转动；
v.
转舵( luff的现在分词 )；
英英释义
luff[ 'lʌfiŋ ]
n.
(nautical) the forward edge of a fore-and-aft sail that is next to the mast
the act of sailing close to the wind
v.
sail close to the wind
同义词：point
flap when the wind is blowing equally on both sides
"the sails luffed"
权威例句
Crane-Luffing Cylinder Bearing with a Spherical CalotteDynamic responses of hydraulic crane during luffing motion
Level luffing control system for crawler cranes
The palatal canine and the adjacent lateral incisor: a study of a west of Scotland population
An Assessment of Computer-assisted Learning in Orthodontics
Lip and cheek pressure exerted upon teeth in three adult groups with different occlusions.
An ex vivo investigation into the release of fluoride from fluoride-containing orthodontic bonding composites.
The Influence of Fluoride-releasing Bonding Composites in the Development of Artificial White Spot Lesions. An Ex Vivo Study
Does the specialist nurse enhance or deskill the general nurse?
The lower lip and the maxillary central incisor
1. This is Electro-Hydraulic Heavy Duty type level luffing type deck crane.
辻产业的吊机是电动-液压驱动型水平变幅式重载型克令吊。
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2. A boat cannot sail directly into the wind; attempting to do so is called luffing.
乘船航行不能直接进入风；试图这样做是所谓的变幅。
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3. Lifting machine, luffing, Rotary and other organizations, all of the motor-driven.
该机的起升、变幅、回转、等机构，全部采用电机驱动。
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4. A luffing extension-jib was installed on top of the carriage with a telescopic nacelle.
在方舱上安装由液压系统控制的可升降伸缩旋转吊臂； 在吊臂顶端安装有可折叠吊篮。
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5. The optimal mathematical model for the luffing mechanism of a plane link is constructed.
构造了平面连杆变幅机构的优化数学模型。
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6. Verb: Luffing refers to a shaking or movement of the leading edge of a sail when it is not in trim.
动词1：luffing指的是当帆不平整时，帆的前缘的摇动或移动。
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7. A new-type quayside container crane with jib-bridge luffing system as the main working part is brought out.
提出一种以臂桥架变幅系统为主要工作机构的岸边集装箱起重机。
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8. A new method of calculating the driving power of portal crane luffing mechanism is introduced in this paper.
本文介绍了一种计算门座起重机变幅机构驱动功率的新方法一瞬心回转功率法。
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9. This paper introduces an optimal method for designing the weight-balance system of the four-link luffing mechanism.
本文介绍了一种四连杆变幅机构平衡重系统的优化设计方法。
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10. To a certain extent luffing crane, lifting the lifting only allowed, if overweight, attention has danger of tipping.
对于变幅起重机，一定的幅度只允许起吊一定的吊重，如果超重，起重视就有倾翻的危险。
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11. There are hoisting mechanism of crane, slewing mechanism, the luffing mechanism and metal structure selection in this article.
设计主要包括起重机的起升机构、回转机构，变幅机构及金属结构的选择。
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12. The double rocker mechanism (with back rocker driving) is used to luffing operation of floating crane. It has high productivity and transfer flexibility.
这种双摇杆变幅机构可用于浮式起重机的带载变幅作业，具有高的生产率和作业灵活性。
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13. The mentioned method is applied to design of pulley block compensation in luffing mechan ism and the results show that the method is feasible and effective.
在滑轮组补偿变幅机构稳健优化设计中加以运用，结果表明该方法是有效的和可行的。
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14. At present, the research of dynamic characteristics on luffing mechanism of crawler crane is relatively lacking at home and abroad, and is not enough overall.
目前国内外对于起重机变幅机构动态特性的研究比较少，而且研究不够全面。
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15. For example, if the sail is let out too far for the wind's direction, the leading edge may shake or start to blow inward. Tightening up the sheet usually corrects luffing.
例如，当帆在风向上被放出太多时，它的前缘可能会抖动或开始向内侧弯，将绳索拉紧通常能矫正之。
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16. This paper presents the main types and features of luffing mechanisms of goose neck jib lorry loading cranes and proposes design requirements for 304304 type luffing mechanism.
介绍了随车起重机变幅机构的主要形式和特点，提出304304型变幅机构在设计时的要求。
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17. Portal crane sub frame and four-link arm two types, from the crane hoisting, luffing, slewing and walking four agencies ac frequency control, the machine USES PLC control, superior performance.
门座式起重机分单臂架和四连杆两种类型，起重机的起升、变幅、回转和行走四大机构均采用交流变频调速，整机采用PLC控制，使用性能优越。
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18. Double step drum is an integral drum with stepwise flanges and double step sections. It allows the multiple layer rope winding in non-operating portion of luffing mechanism to make drum shorter.
双阶梯卷筒是一种带有阶梯法兰盘和双阶梯截面的综合式卷筒，可在变幅机构的非工作区段使钢丝绳多层卷绕，以缩短卷筒长度；
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19. Reaserch the relations between at luffing course of horizontal movement and jib system organization's static stressing, as well as to improve the analyses means of design software of these same crane.
探寻物品在变幅过程中水平移动与臂架系统结构静态受力之间的关系，研究臂架自重平衡系统的设计与臂架系统动力响应之间的关系以及对改善该类门机的设计软件的分析手段。
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20. Reaserch the relations between at luffing course of horizontal movement and jib system organization's static stressing, as well as to improve the analyses means of design software of these same crane.
探寻物品在变幅过程中水平移动与臂架系统结构静态受力之间的关系，研究臂架自重平衡系统的设计与臂架系统动力响应之间的关系以及对改善该类门机的设计软件的分析手段。
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luffing
