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汉语拼音：luó sī dīng

1.应用螺旋原理做成的、连接或固定物体的零件。

2.比喻平凡而不可缺少的人或物：在伟大的革命事业中，做一个永不生锈的～。

1. 即螺钉。详“ 螺钉 ”。

2. 比喻平凡而不可缺少的人或物。

   秦牧 《艺海拾贝·核心》：“真正使我们的文艺成为整个无产阶级革命事业的齿轮和螺丝钉。”

• These types of walls seem to crumble at the very idea of being punctured by a screw, nail or dirty look.

  一想到这种墙要被螺丝钉，钉子或是一个臭脸孔穿透，它们似乎就会崩塌。

• All of these screws are used to clamp machine parts together when one of the parts has an internal thread.

  当部份之一有一条内在的线时候，所有这些螺丝钉被用来一起夹紧机器部份。

• Figure 39 shows a common simple guides that you can use two small screws (usually used the grub screw) fixed to the surface.

  图39表现了一栽多见的单一导轨，可以用两个小螺丝钉（凡是用平头钉）变动在台面上。

• For the sake of the revolution Lei Feng was determined to be a screw, a screw that. would never rust!

  为了革命，雷锋决定要成为一颗螺丝钉，而且是永不生锈的螺丝钉。

• 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。

• Take a few blocks around your frame wall to allow extra strength to your structure. Will re-apply the screws and nail gun.

  在墙架周围放一些木片使墙体结构承压力更强。此处还要用到螺丝钉和钉枪。

• So, you're going to need a can, CD, some foam rubber, a couple of screws and a few clips.

  你需要准备：一个空罐头、CD、若干泡沫橡胶（foamrubber）、几个螺丝钉和回形针。

• The cause of the proletarian revolution can be likened to a huge machine and every job a screw.

  无产阶级革命事业好比一步庞大的机器，而每一项工作好比是一枚螺丝钉。

• If neither part is threaded a bolt must be used: this consists of a screw with a hexagonal head.

  如果两者皆不的部份被穿线于门闩一定被用：这用一个六角形的头有螺丝钉。