| 释义 |
- 沙地轨道车：一种轻型越野汽车，专为在沙地、沙漠等地形上驾驶而设计。
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When not in use, it is necessary to do the maintenance work of the lathe, prevent scraps, sand or impurity into lathe guide sliding surface, put rail "chewed" or worse it of wear and tear. 不使用时，必需做好车床的清洁保养工作，防止切屑、砂粒或杂质进入车床导轨滑动面，把导轨“咬坏”或加剧它的磨损。 - 2
This paper expounds the necessity of rail sand table design, and illustrates the design and switching mechanism, which is safe and can be found a wide application in rail sand table. 阐述了铁路沙盘设计的必要性，介绍了铁路沙盘的道岔控制电路的设计和动作原理。 - 3
Professional for airports, subways, high-speed rail, hotels, homes, such as marble and sand stone. 专业适用于机场、地铁、高铁、酒店、家居等大理石、砂岩的防护。
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