Asparagus
发表于 2025-3-23 11:52:13
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deforestation
发表于 2025-3-23 15:02:58
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hysterectomy
发表于 2025-3-23 18:22:03
The Crown Pick as an Alternative for the Conical Pick,ive for conical picks. The wear of the tool was slight. The only disadvantage was the problem with the steering system not allowing for gentle and slow control of mining head movements. The results of industrial trials also confirmed this inconvenience.
爆炸
发表于 2025-3-23 23:07:39
Lubricated Holder for Conical Pick,lution has been confirmed. Comparing the number of rotations in the holder and the size and type of the pick wear in the case of the conical pick mounted in the standard holder, holder with high-pressure water jet assistance and lubricated holder, the most favourable results were obtained for the pi
homocysteine
发表于 2025-3-24 04:33:45
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CARE
发表于 2025-3-24 08:34:01
Summary and Final Comments,ystem, the use of an asynchronous electric motor was assumed for two drive systems of the head body and the plates with disk tools. The comparative simulation tests of the new drive system and original system with independent drives of the head body and discs, were also carried out. The last part de
开始没有
发表于 2025-3-24 11:56:40
aders instead of standard mining heads. .This book can be used by employees of the mining industry, manufacturers of mining tools, machines and equipment, as well as employees and students of mining and mechanical faculties of technical universities..978-3-030-96396-5978-3-030-96394-1
–吃
发表于 2025-3-24 15:38:36
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刚毅
发表于 2025-3-24 20:20:38
New Mining Tools and Methods for Roadheader Mining Heads978-3-030-96394-1
Noctambulant
发表于 2025-3-25 01:14:13
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