砂瓦是用磨料和结合剂制成的块状固结磨具。
标准中文名: 普通磨具 砂瓦 技术条件 标准英文名: Bonded abrasive products--Grinding segments--Technical specification 替代标准: GB/T 2488-1984;被GB/T 2485-2008代替 开本: 页数: 6..
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准/规范中文名: 砂瓦 标准/规范英文名: Segments of grinding wheels 标准状态: 已作废 被替代标准: 普通磨具 砂瓦 技术条件 Bonded abrasive products Grinding segments Tec
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生产的各种规格的砂轮、油石、磨头、砂瓦等磨具产品。
Production of a variety of grinding wheel, Whetstone, grinding head, sand and other abrasive products watts.
提出了合理选择立轴平面磨削方式的依据,以利于提高磨削效率,降低砂瓦磨损。
Some propositions are given for reasonable selection of grinding ways in order to extend grinding efficiency and reduce abrasive segment wear.
针对化学防砂在长井段多油层的油水井防砂时缺少可靠的胶筒密封和卡瓦锚定的分层防砂工具的问题,研制了水力密闭式分层化学防砂工具。
There is a lack of dependable layered sand control tools that are rubber sealed and clamp anchored in chemical sand control of oil and water wells with long intervals and multiple layers.
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