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- surface sluice gold dredge 漂浮采金器
- The experience of remining placer gold in Laozuoshan Gold Mine in the past 5 years was introduced.The interior management and technical reform of the gold dredge were summarized. 介绍了老柞山金矿5年来砂金复采所取得的经验，并对采金船的内部管理以及采金船的技术改造进行了总结。
- The checking computation of structural size of gold dredge in mining of gold placer is a key link of mine design,however it hasn't attracted enough attention in the country. 砂金矿采金船开采结构尺寸验算是矿山设计中重要技术环节,但目前在我国尚未引起足够的重视。
- This paper,based on designing parameters of gold dredge and orebody's occurrence parameters,introduces the checking computation of structural size of gold dredge. 文中分析探讨了如何根据采金船设计参数与矿体赋存参数进行采金船结构尺寸验算。
- An expert consulting system for gold dredging is established. The system's structure, functions, knowledge representation and inference strategy are explained. 本文应用专家系统理论，建立了采金船开采技术咨询专家系统，并对系统的结构、功能、知识表示和推理策略进行了阐述。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- The calm water surface is very much like a mirror. 那平静的水面十分象一面镜子。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- The checking computation of structural size of gold dredge in mining of gold placer 砂金矿采金船开采结构尺寸验算
- He is honest only on the surface. 他只是表面诚实而已。
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜
- The hard outer portion or surface area of bread. 面包皮面包的表面区域的硬皮
- Surface mail takes longer than airmail. 普通邮件比航空邮件慢。
- The surface of the lake is quite still. 湖面相当平静。
- It's2 yuan by surface mail and3.6 yuan by air. 寄平信2元，寄航空要3元6角。
- Wheels won't bite on a slippery surface. 车轮打滑。
- The surface must be thoroughly clean. 表面必须彻底弄清洁。
