| 单词 | 起重机 |
| 释义 | 〔jib〕The boom of a derrick.人字形起重机的桁〔lift〕A machine or device designed to pick up, raise, or carry something.起重机，千斤顶：用来抬高、升高或搬运某物的机器或装置〔hoist〕An apparatus for lifting heavy or cumbersome objects.起重机：用来提举重物或难处理物体的设备〔slue〕slued the swivel chair around; sluing the boom of a crane.旋转转椅；转动一台起重机的吊杆〔crab〕A machine for handling or hoisting heavy weights.起重机：一种处理或升起重物的机器〔spar〕A usually metal pole used as part of a crane or derrick.金属柱：起重机或摇臂吊杆的金属杆〔luff〕To raise or lower (the boom of a crane or derrick).升降：使起重机的吊臂上升或下降〔derrick〕A machine for hoisting and moving heavy objects, consisting of a movable boom equipped with cables and pulleys and connected to the base of an upright stationary beam.悬臂起重机：提升和移动重物的机器，它由一个带有缆绳和滑轮的可移动的、并与一根由向上静止横梁的底座连接的起重杆组成〔jack〕A usually portable device for raising heavy objects by means of force applied with a lever, screw, or hydraulic press.千斤顶，起重机：通过杠杆、螺丝钉或水的压力把重物提起的便携式装置〔gin〕A machine for hoisting or moving heavy objects.起重机：上升或移动重物的机器〔jib〕The arm of a mechanical crane.起重臂：起重机的臂〔crane〕To hoist or move with or as if with a crane.起吊，吊运：用起重机或用类似起重机提升或移动〔davit〕Any of various types of small cranes that project over the side of a ship and are used to hoist boats, anchors, and cargo.吊艇柱：一种小型起重机，在船边上突出并用来举起小船、锚和货物〔crane〕A machine for hoisting and moving heavy objects by means of cables attached to a movable boom.起重机：一种用连在活动架上的缆绳举起和移动重物的机器〔lift〕uses a crane to hoist the construction beams. Toheave is to lift or raise with great effort or force: 用起重机吊起建筑物的横梁。 Heave 的意思是用力举起或抬起： 〔raise〕raised the loads with a crane.See Synonyms at lift 用起重机把货物吊起 参见 lift〔boom〕A long pole extending upward at an angle from the mast of a derrick to support or guide objects lifted or suspended.吊杆：从起重机的竖樯上以一定角度向上伸出的长杆，用来支持或牵引物体竖立或吊起〔logger〕A machine, such as a crane or tractor, that is used for hauling or loading logs.运机：用于拖曳或装载原木的机器，如起重机或拖拉机〔jackscrew〕A jack operated by a screw. Also called screw jack 螺旋起重机，螺旋千斤顶：由螺旋杆运作的起重机 也作 screw jack |
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