VOC
发表于 2025-3-26 21:36:34
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假设
发表于 2025-3-27 02:11:13
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Lipohypertrophy
发表于 2025-3-27 06:25:55
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SEEK
发表于 2025-3-27 11:06:00
Summary and Final Comments,. The first part describes the concept of the lubricated crown pick. It is the connecting of presented in Chaps. ., . new crown pick and lubricated holder. This solution is additionally equipped with water spraying during the cutting process. The next part presents a proposal for a four-plate mining
Discrete
发表于 2025-3-27 14:05:25
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协议
发表于 2025-3-27 21:05:00
Problems of Hard Rock Mining Using Cutting Tools,gewear—mainly sparking and dustiness. The methods currently used to limit the problems described above were briefly presented. These are new materials for tools, further protection for the edges of conical picks and the use of high-pressure water spraying.
Phenothiazines
发表于 2025-3-28 01:36:42
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简洁
发表于 2025-3-28 03:03:04
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狗窝
发表于 2025-3-28 09:26:18
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Uncultured
发表于 2025-3-28 10:50:28
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