luffing winch 变幅绞车
luffing crane 俯仰式起重机 ; 旋臂起重机 ; 水平起重机
luffing motor 吊杆俯仰电动机 ; 吊杆俯仰电念头
level luffing crane 平行运送旋臂起重机 ; 平动起重机 ; 平伸式起重机
luffing derrick 俯仰式吊杆 ; 俯仰式吊货杆
luffing gear 吊杆倾角调节器 ; 摆动装置
luffing cableway mast 倾斜式缆道桅杆
levelling luffing crane 平动旋臂式起重机
luffing grab 俯仰式抓扬机
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N the leading edge of a fore-and-aft sail 纵帆的前缘 [nautical]
N tackle consisting of a single and a double block for use with rope having a large diameter 升降机吊杆
V to head (a sailing vessel) into the wind so that her sails flap (帆船)迎风行驶 [nautical]
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。
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。
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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