| 单词 | 有螺纹 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔U-bolt〕A bolt shaped like the letter U, fitted with threads and a nut at each end.U形螺栓：形状象字母U的螺栓，配有螺纹，两端各有一个螺帽美国传统〔nut〕A small block of metal or wood with a central, threaded hole that is designed to fit around and secure a bolt or screw.螺母，螺帽：中部有螺纹用于与螺栓或螺钉相配合的小块金属或木头美国传统〔toggle bolt〕A fastener consisting of a threaded bolt and a spring-loaded toggle, used to secure objects to thin or hollow walls.系墙螺栓：一种由有螺纹的螺栓和一个装弹簧的肘节组成固定物，用于把物体固定在薄或中空的墙上美国传统〔worm gear〕A gear consisting of a spirally threaded shaft and a wheel with marginal teeth that mesh into it.蜗轮装置：一种由刻有螺纹的轴和一个带有边缘轮齿的齿轮与之啮合的齿轮传送装置美国传统〔worm〕Something, such as the thread of a screw or the spiral condenser in a still, that resembles a worm in form or appearance.有螺纹状的物品：某物，如螺旋线或蒸馏器的螺旋冷凝器，在构成或外表上像蠕虫美国传统 |
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