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汉语拼音：qiān jīn dǐng

一种顶起重物的工具，常用的有液压式和螺旋式两种。简称千斤（qiān·jin）。

• Wheeljack and Hot Shot had a deep bond and friendly rivalry, each trying to outdo the other's brash antics.

  千斤顶和激射有着很深的联系和友好的竞争，他们都想赢对方。

• Less frequently we apply the load directly to the surface by means of hydraulic jacks and distribution plates.

  用液压千斤顶与分布板直接施加荷载于表面的方法较不常用。

• The steady head of the plane is ejected by a jack, modifying the front alighting carriage to land down the head.

  平稳着落后用一千斤顶将停稳的机头顶起，修复前起落架，放下机头。

• I felt the car bump as the jack was removed, and I heard the slam of the trunk lid, and then they were standing at my car window.

  我感觉到千斤顶移开时车颠了一下，又听到后车厢盖啪地关上，接着两人就站在了我的车窗前。

• When the main jacks of the front supports are released, the structure rests hung to these beams.

  当前支撑的主千斤顶松开时，结构就吊在这些梁上。

• I have never known but one man who could take the place of a screw, and he was that convIct.

  我从来只认得一个能替代千斤顶的人，就是那个苦役犯。

• 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。

• In construction of pipe jacking, the wall of working shaft and soil body behind the sidewall offers enormous supporting force to a lift.

  在顶管施工中，千斤顶的支座需要巨大的反力支持，这些反力是由工作井的侧壁以及壁后土体提供的。

• Have screw jacks been used to level and plumb scaffold instead of unstable objects such as concrete blocks, loose bricks, etc.

  用千斤顶螺钉而不是用不稳定的混凝土块、散砖块等物体来校平脚手架并用铅锤检查脚手架的垂直度了吗？