| 释义 |
derricking
释义
n. 改变起重臂倾角
v. 改变起重臂倾角（derrick 的 ing 形式）
例句
1·Main Applications: Various equipment for derricking , lifting and drawing.
主要用途：各种起重、提升和牵引设备。
2·CAD System of derricking cylinder of truck crane is introduced in this paper, which is developed by the authors.
介绍了汽车起重机变幅油缸CAD系统的开发工作。
3·The four-bar combination jib is one of the most commonly used forms of the derricking mechanism for portal cranes.
四连杆组合臂架是门座起重机最常用的变幅机构形式之一。
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