您要查找的是不是：
- A longitudinal strip on a surface that serves to guide a moving machine part. 导轨表面上的纵向槽，用于导引运动的机器部件
- A device that supports,guides,and reduces the friction of motion between fixed and moving machine parts. 轴承在机器两个固定运动部分之间起支撑、引导或减少运动摩擦的装置
- A device that supports, guides, and reduces the friction of motion between fixed and moving machine parts. 轴承在机器两个固定运动部分之间起支撑、引导或减少运动摩擦的装置
- A device, such as the outer sleeve of a stuffing box, designed to prevent a fluid from leaking past a moving machine part. 密封装置，密封套一种装置，比如填充函的外套，设计出来以防止液体从一移动的机器零部件中渗漏出来
- Oil the moving parts of this machine regularly. 要定期给这部机器的运转部件上油。
- He trudge three hour in the snow to get back home. 他在雪中跋涉三个钟点才回到家。
- Snow scattered unequally over the mountainside. 雪不均匀地散落在山腰上。
- The snow has frozen hard on the road. 路上的雪已经冻得很硬了。
- Move the machine in an upright position. 垂直地移动机器。
- The compacted snow on the pavement turned to ice. 人行道上被踩实的雪已变成了冰。
- Children love to ball snow up in their hands. 小孩子们喜欢将雪在手里做成球儿。
- Dark clouds are a sign of rain or snow. 乌云是雨或雪将至的预兆。
- Last winter the snow lay thick on the ground. 去年冬天，地上积雪很厚。
- The New Year came in with heavy snow storms. 在大雪纷飞中新年来到了。
- Moving house is a vexatious business. 搬家是件麻烦的事情。
- So it was that he had his first sight of snow. 就那样，他第一次见到了雪。
- The snow crusted the lake last night. 昨夜的雪使湖面结了冰。
- A heavy lorry floundered about in deep snow. 一辆重型卡车在厚厚的积雪中艰难地行进。
- Analysis on force of the lifter of No. 3 moving machine 轨梁3%23移钢机升降机构受力分析
- The road was edged with snow drifts. 路边上有一个个雪堆。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
